Please after reading The Competitive Advantage of Nations and the Harley Davidson article answer the following questions. Harley Davidson’s case is in your book, (pages 204-2014). 

1. What are the main components of Porter’s Diamond model? 

2. What the Harley Davidson case is about? 

3. How did Harley Davidson take advantage of Porter’s four components’ model (Diamond Model)  to become a global company?

0% plagiarism

    

The Competitive Advantage
of Nations

Michael E. Porter

Harvard Business Review

90211

HBR
MARCH±APRIL 1990

The Competitive Advantage of Nations
Michael E. Porter

National prosperity is created, not inherited. It does of the patterns of competitive success in ten leading
trading nations, contradict the conventional wisdomnot grow out of a country’s natural endowments, its

labor pool, its interest rates, or its currency’s value, that guides the thinking of many companies and na-
tional governments— and that is pervasive today inas classical economics insists.

A nation’s competitiveness depends on the capacity the United States. (For more about the study, see the
insert “ Patterns of National Competitive Success.” )of its industry to innovate and upgrade. Companies

gain advantage against the world’s best competitors According to prevailing thinking, labor costs, inter-
est rates, exchange rates, and economies of scale arebecause of pressure and challenge. They benefit from

having strong domestic rivals, aggressive home-based the most potent determinants of competitiveness. In
companies, the words of the day are merger, alliance,suppliers, and demanding local customers.

In a world of increasingly global competition, na- strategic partnerships, collaboration, and suprana-
tional globalization. Managers are pressing for moretions have become more, not less, important. As the

basis of competition has shifted more and more to government support for particular industries. Among
governments, there is a growing tendency to experi-the creation and assimilation of knowledge, the role

of the nation has grown. Competitive advantage is ment with various policies intended to promote na-
tional competitiveness— from efforts to managecreated and sustained through a highly localized pro-

cess. Differences in national values, culture, eco- exchange rates to new measures to manage trade to
policies to relax antitrust— which usually end upnomic structures, institutions, and histories all

contribute to competitive success. There are striking only undermining it. (See the insert “ What Is Na-
tional Competitiveness?” )differences in the patterns of competitiveness in

every country; no nation can or will be competitive These approaches, now much in favor in both
companies and governments, are flawed. They funda-in every or even most industries. Ultimately, nations

succeed in particular industries because their home mentally misperceive the true sources of competi-
tive advantage. Pursuing them, with all their short-environment is the most forward-looking, dynamic,

and challenging. term appeal, will virtually guarantee that the United
States— or any other advanced nation— neverThese conclusions, the product of a four-year study
achieves real and sustainable competitive advantage.

We need a new perspective and new tools— an ap-
Harvard Business School professor Michael E. Porter is the author proach to competitiveness that grows directly out of
of Competitive Strategy (Free Press, 1980) and Competitive Ad-

an analysis of internationally successful industries,vantage (Free Press, 1985) and will publish The Competitive Ad-
without regard for traditional ideology or current in-vantage of Nations (Free Press) in May 1990.
tellectual fashion. We need to know, very simply,Author’s note: Michael J. Enright, who served as project coordina-

tor for this study, has contributed valuable suggestions. what works and why. Then we need to apply it.

Copyright q 1990 by the President and Fellows of Harvard College. All rights reserved.

Patterns of National Competitive Success
To investigate why nations gain competitive advan- tries or industry groups for detailed study; we examined

tage in particular industries and the implications for many more in less detail. We went back as far as neces-
company strategy and national economies, I conducted sary to understand how and why the industry began in
a four-year study of ten important trading nations: Den- the nation, how it grew, when and why companies from
mark, Germany, Italy, Japan, Korea, Singapore, Sweden, the nation developed international competitive advan-
Switzerland, the United Kingdom, and the United tage, and the process by which competitive advantage
States. I was assisted by a team of more than 30 research- had been either sustained or lost. The resulting case
ers, most of whom were natives of and based in the histories fall short of the work of a good historian in
nation they studied. The researchers all used the same their level of detail, but they do provide insight into
methodology. the development of both the industry and the nation’s

Three nations— the United States, Japan, and Ger- economy.
many— are the world’s leading industrial powers. The We chose a sample of industries for each nation that
other nations represent a variety of population sizes, represented the most important groups of competitive
government policies toward industry, social philoso- industries in the economy. The industries studied ac-
phies, geographical sizes, and locations. Together, the counted for a large share of total exports in each nation:
ten nations accounted for fully 50% of total world ex- more than 20% of total exports in Japan, Germany, and
ports in 1985, the base year for statistical analysis. Switzerland, for example, and more than 40% in South

Most previous analyses of national competitiveness Korea. We studied some of the most famous and
have focused on single nation or bilateral comparisons. important international success stories— German high-
By studying nations with widely varying characteristics performance autos and chemicals, Japanese semi-con-
and circumstances, this study sought to separate the ductors and VCRs, Swiss banking and pharmaceuticals,
fundamental forces underlying national competitive ad- Italian footwear and textiles, U.S. commercial aircraft
vantage from the idiosyncratic ones. and motion pictures— and some relatively obscure but

In each nation, the study consisted of two parts. The highly competitive industries— South Korean pianos,
first identified all industries in which the nation’s com- Italian ski boots, and British biscuits. We also added a
panies were internationally successful, using available few industries because they appeared to be paradoxes:
statistical data, supplementary published sources, and Japanese home demand for Western-character typewrit-
field interviews. We defined a nation’s industry as inter- ers is nearly nonexistent, for example, but Japan holds
nationally successful if it possessed competitive advan- a strong export and foreign investment position in the
tage relative to the best worldwide competitors. Many industry. We avoided industries that were highly depen-
measures of competitive advantage, such as reported dent on natural resources: such industries do not form
profitability, can be misleading. We chose as the best the backbone of advanced economies, and the capacity
indicators the presence of substantial and sustained ex- to compete in them is more explicable using classical
ports to a wide array of other nations and/or significant theory. We did, however, include a number of more
outbound foreign investment based on skills and assets technologically intensive, natural-resource-related in-
created in the home country. A nation was considered dustries such as newsprint and agricultural chemicals.
the home base for a company if it was either a locally The sample of nations and industries offers a rich
owned, indigenous enterprise or managed autono- empirical foundation for developing and testing the new
mously although owned by a foreign company or invest- theory of how countries gain competitive advantage.
ors. We then created a profile of all the industries in The accompanying article concentrates on the determi-
which each nation was internationally successful at nants of competitive advantage in individual industries
three points in time: 1971, 1978, and 1985. The pattern and also sketches out some of the study’s overall impli-
of competitive industries in each economy was far from cations for government policy and company strategy. A
random: the task was to explain it and how it had fuller treatment in my book, The Competitive Advan-
changed over time. Of particular interest were the con- tage of Nations, develops the theory and its implica-
nections or relationships among the nation’s competi- tions in greater depth and provides many additional
tive industries. examples. It also contains detailed descriptions of the

In the second part of the study, we examined the nations we studied and the future prospects for their
history of competition in particular industries to under- economies.
stand how competitive advantage was created. On the — Michael E. Porter
basis of national profiles, we selected over 100 indus-

74 HARVARD BUSINESS REVIEW March–April 1990

cumbered by blinding assumptions or conventionalHow Companies Succeed in
wisdom.International Markets

This is why innovators are often outsiders from a
different industry or a different country. Innovation
may come from a new company, whose founder hasAround the world, companies that have achieved

international leadership employ strategies that differ a nontraditional background or was simply not ap-
preciated in an older, established company. Or thefrom each other in every respect. But while every

successful company will employ its own particular capacity for innovation may come into an existing
company through senior managers who are new tostrategy, the underlying mode of operation— the

character and trajectory of all successful compa- the particular industry and thus more able to per-
ceive opportunities and more likely to pursue them.nies— is fundamentally the same.

Companies achieve competitive advantage Or innovation may occur as a company diversifies,
bringing new resources, skills, or perspectives to an-through acts of innovation. They approach innova-

tion in its broadest sense, including both new other industry. Or innovations may come from
another nation with different circumstances or dif-technologies and new ways of doing things. They

perceive a new basis for competing or find better ferent ways of competing.
With few exceptions, innovation is the result ofmeans for competing in old ways. Innovation can be

manifested in a new product design, a new produc- unusual effort. The company that successfully im-
plements a new or better way of competing pursuestion process, a new marketing approach, or a new

way of conducting training. Much innovation is its approach with dogged determination, often in the
face of harsh criticism and tough obstacles. In fact,mundane and incremental, depending more on a cu-

mulation of small insights and advances than on a to succeed, innovation usually requires pressure, ne-
cessity, and even adversity: the fear of loss oftensingle, major technological breakthrough. It often

involves ideas that are not even “ new” — ideas that proves more powerful than the hope of gain.
Once a company achieves competitive advantagehave been around, but never vigorously pursued. It

always involves investments in skill and knowledge, through an innovation, it can sustain it only through
relentless improvement. Almost any advantageas well as in physical assets and brand reputations.

Some innovations create competitive advantage by can be imitated. Korean companies have already
matched the ability of their Japanese rivals to mass-perceiving an entirely new market opportunity or by

serving a market segment that others have ignored. produce standard color televisions and VCRs; Brazil-
ian companies have assembled technology andWhen competitors are slow to respond, such innova-

tion yields competitive advantage. For instance, in designs comparable to Italian competitors in casual
leather footwear.industries such as autos and home electronics, Japa-

nese companies gained their initial advantage by em- Competitors will eventually and inevitably over-
take any company that stops improving and innovat-phasizing smaller, more compact, lower capacity

models that foreign competitors disdained as less ing. Sometimes early-mover advantages such as
customer relationships, scale economies in existingprofitable, less important, and less attractive.

In international markets, innovations that yield technologies, or the loyalty of distribution channels
are enough to permit a stagnant company to retaincompetitive advantage anticipate both domestic and

foreign needs. For example, as international concern its entrenched position for years or even decades. But
sooner or later, more dynamic rivals will find a wayfor product safety has grown, Swedish companies

like Volvo, Atlas Copco, and AGA have succeeded to innovate around these advantages or create a bet-
ter or cheaper way of doing things. Italian applianceby anticipating the market opportunity in this area.

On the other hand, innovations that respond to con- producers, which competed successfully on the basis
of cost in selling midsize and compact appliancescerns or circumstances that are peculiar to the home

market can actually retard international competitive through large retail chains, rested too long on this
initial advantage. By developing more differentiatedsuccess. The lure of the huge U.S. defense market, for

instance, has diverted the attention of U.S. materials products and creating strong brand franchises, Ger-
man competitors have begun to gain ground.and machine-tool companies from attractive, global

commercial markets. Ultimately, the only way to sustain a competitive
advantage is to upgrade it— to move to more sophisti-Information plays a large role in the process of

innovation and improvement— information that ei- cated types. This is precisely what Japanese auto-
makers have done. They initially penetrated foreignther is not available to competitors or that they do

not seek. Sometimes it comes from simple invest- markets with small, inexpensive compact cars of ad-
equate quality and competed on the basis of lowerment in research and development or market re-

search; more often, it comes from effort and from labor costs. Even while their labor-cost advantage
persisted, however, the Japanese companies were up-openness and from looking in the right place unen-

HARVARD BUSINESS REVIEW March–April 1990 75

What Is National Competitiveness?
National competitiveness has become one of the cen- held view that powerful unions undermine competitive

tral preoccupations of government and industry in every advantage, unions are strong in Germany and Sweden—
nation. Yet for all the discussion, debate, and writing and both countries boast internationally preeminent
on the topic, there is still no persuasive theory to explain companies.
national competitiveness. What is more, there is not Clearly, none of these explanations is fully satisfac-
even an accepted definition of the term “ competitive- tory; none is sufficient by itself to rationalize the com-
ness” as applied to a nation. While the notion of a com- petitive position of industries within a national border.
petitive company is clear, the notion of a competitive Each contains some truth; but a broader, more complex
nation is not. set of forces seems to be at work.

Some see national competitiveness as a macroeco- The lack of a clear explanation signals an even more
nomic phenomenon, driven by variables such as ex- fundamental question. What is a “ competitive” nation
change rates, interest rates, and government deficits. in the first place? Is a “ competitive” nation one where
But Japan, Italy, and South Korea have all enjoyed rap- every company or industry is competitive? No nation
idly rising living standards despite budget deficits; Ger- meets this test. Even Japan has large sectors of its econ-
many and Switzerland despite appreciating currencies; omy that fall far behind the world‘s best competitors.
and Italy and Korea despite high interest rates. Is a “ competitive” nation one whose exchange rate

Others argue that competitiveness is a function of makes its goods price competitive in international mar-
cheap and abundant labor. But Germany, Switzerland, kets? Both Germany and Japan have enjoyed remarkable
and Sweden have all prospered even with high wages gains in their standards of living— and experienced sus-
and labor shortages. Besides, shouldn’t a nation seek tained periods of strong currency and rising prices. Is a
higher wages for its workers as a goal of competitive- “ competitive” nation one with a large positive balance
ness? of trade? Switzerland has roughly balanced trade; Italy

Another view connects competitiveness with bounti- has a chronic trade deficit— both nations enjoy strongly
ful natural resources. But how, then, can one explain rising national income. Is a “ competitive” nation one
the success of Germany, Japan, Switzerland, Italy, and with low labor costs? India and Mexico both have low
South Korea— countries with limited natural resources? wages and low labor costs— but neither seems an attrac-

More recently, the argument has gained favor that tive industrial model.
competitiveness is driven by government policy: tar- The only meaningful concept of competitiveness at
geting, protection, import promotion, and subsidies the national level is productivity. The principal goal of
have propelled Japanese and South Korean auto, steel, a nation is to produce a high and rising standard of living
shipbuilding, and semiconductor industries into global for its citizens. The ability to do so depends on the
preeminence. But a closer look reveals a spotty record. productivity with which a nation’s labor and capital
In Italy, government intervention has been ineffectual— are employed. Productivity is the value of the output
but Italy has experienced a boom in world export share produced by a unit of labor or capital. Productivity de-
second only to Japan. In Germany, direct government pends on both the quality and features of products
intervention in exporting industries is rare. And even (which determine the prices that they can command)
in Japan and South Korea, government’s role in such and the efficiency with which they are produced. Pro-
important industries as facsimile machines, copiers, ro- ductivity is the prime determinant of a nation’s long-
botics, and advanced materials has been modest; some run standard of living; it is the root cause of national
of the most frequently cited examples, such as sewing per capita income. The productivity of human resources
machines, steel, and shipbuilding, are now quite dated. determines employee wages; the productivity with

A final popular explanation for national competitive- which capital is employed determines the return it
ness is differences in management practices, including earns for its holders.
management-labor relations. The problem here, how- A nation’s standard of living depends on the capacity
ever, is that different industries require different ap- of its companies to achieve high levels of productivity—
proaches to management. The successful management and to increase productivity over time. Sustained pro-
practices governing small, private, and loosely orga- ductivity growth requires that an economy continually
nized Italian family companies in footwear, textiles, upgrade itself. A nation’s companies must relentlessly
and jewelry, for example, would produce a management improve productivity in existing industries by raising
disaster if applied to German chemical or auto compa- product quality, adding desirable features, improving
nies, Swiss pharmaceutical makers, or American air- product technology, or boosting production efficiency.
craft producers. Nor is it possible to generalize about They must develop the necessary capabilities to com-
management-labor relations. Despite the commonly pete in more and more sophisticated industry segments,

76 HARVARD BUSINESS REVIEW March–April 1990

where productivity is generally high. They must finally performance cars, while Korean exports are all compacts
develop the capability to compete in entirely new, so- and subcompacts. In many industries and segments of
phisticated industries. industries, the competitors with true international

International trade and foreign investment can both competitive advantage are based in only a few nations.
improve a nation’s productivity as well as threaten it. Our search, then, is for the decisive characteristic of
They support rising national productivity by allowing a nation that allows its companies to create and sustain
a nation to specialize in those industries and segments competitive advantage in particular fields— the search
of industries where its companies are more productive is for the competitive advantage of nations. We are par-
and to import where its companies are less productive. ticularly concerned with the determinants of inter-
No nation can be competitive in everything. The ideal national success in technology- and skill-intensive
is to deploy the nation’s limited pool of human and segments and industries, which underpin high and ris-
other resources into the most productive uses. Even ing productivity.
those nations with the highest standards of living have Classical theory explains the success of nations in
many industries in which local companies are uncom- particular industries based on so-called factors of pro-
petitive. duction such as land, labor, and natural resources. Na-

Yet international trade and foreign investment also tions gain factor-based comparative advantage in
can threaten productivity growth. They expose a na- industries that make intensive use of the factors they
tion’s industries to the test of international standards possess in abundance. Classical theory, however, has
of productivity. An industry will lose out if its produc- been overshadowed in advanced industries and econo-
tivity is not sufficiently higher than foreign rivals‘ to mies by the globalization of competition and the power
offset any advantages in local wage rates. If a nation of technology.
loses the ability to compete in a range of high-productiv- A new theory must recognize that in modern interna-
ity/high-wage industries, its standard of living is threat- tional competition, companies compete with global
ened. strategies involving not only trade but also foreign in-

Defining national competitiveness as achieving a vestment. What a new theory must explain is why a
trade surplus or balanced trade per se is inappropriate. nation provides a favorable home base for companies
The expansion of exports because of low wages and a that compete internationally. The home base is the na-
weak currency, at the same time that the nation imports tion in which the essential competitive advantages of
sophisticated goods that its companies cannot produce the enterprise are created and sustained. It is where a
competitively, may bring trade into balance or surplus company’s strategy is set, where the core product and
but lowers the nation‘s standard of living. Competitive- process technology is created and maintained, and
ness also does not mean jobs. It’s the type of jobs, not where the most productive jobs and most advanced
just the ability to employ citizens at low wages, that is skills are located. The presence of the home base in a
decisive for economic prosperity. nation has the greatest positive influence on other

Seeking to explain “ competitiveness” at the national linked domestic industries and leads to other benefits
level, then, is to answer the wrong question. What we in the nation’s economy. While the ownership of the
must understand instead is the determinants of produc- company is often concentrated at the home base, the
tivity and the rate of productivity growth. To find an- nationality of shareholders is secondary.
swers, we must focus not on the economy as a whole A new theory must move beyond comparative advan-
but on specific industries and industry segments. We tage to the competitive advantage of a nation. It must
must understand how and why commercially viable reflect a rich conception of competition that includes
skills and technology are created, which can only be segmented markets, differentiated products, technology
fully understood at the level of particular industries. It differences, and economies of scale. A new theory must
is the outcome of the thousands of struggles for compet- go beyond cost and explain why companies from some
itive advantage against foreign rivals in particular seg- nations are better than others at creating advantages
ments and industries, in which products and processes based on quality, features, and new product innovation.
are created and improved, that underpins the process A new theory must begin from the premise that compe-
of upgrading national productivity. tition is dynamic and evolving; it must answer the ques-

When one looks closely at any national economy, tions: Why do some companies based in some nations
there are striking differences among a nation’s indus- innovate more than others? Why do some nations pro-
tries in competitive success. International advantage vide an environment that enables companies to improve
is often concentrated in particular industry segments. and innovate faster than foreign rivals?
German exports of cars are heavily skewed toward high- — Michael E. Porter

HARVARD BUSINESS REVIEW March–April 1990 77

grading. They invested aggressively to build large ruthlessly pursue improvements, seeking an ever-
more sophisticated source of competitive advantage?modern plants to reap economies of scale. Then they

became innovators in process technology, pioneering Why are they able to overcome the substantial barri-
ers to change and innovation that so often accom-just-in-time production and a host of other quality

and productivity practices. These process improve- pany success?
The answer lies in four broad attributes of a nation,ments led to better product quality, better repair re-

cords, and better customer-satisfaction ratings than attributes that individually and as a system consti-
tute the diamond of national advantage, the playingforeign competitors had. Most recently, Japanese au-

tomakers have advanced to the vanguard of product field that each nation establishes and operates for its
industries. These attributes are.technology and are introducing new, premium brand

names to compete with the world’s most prestigious
1. Factor Conditions. The nation’s position in fac-passenger cars.

tors of production, such as skilled labor or infra-The example of the Japanese automakers also illus-
structure, necessary to compete in a giventrates two additional prerequisites for sustaining
industry.competitive advantage. First, a company must adopt

2. Demand Conditions. The nature of home-mar-a global approach to strategy. It must sell its product
ket demand for the industry’s product or service.worldwide, under its own brand name, through inter-

3. Related and Supporting Industries. The pres-national marketing channels that it controls. A truly
ence or absence in the nation of supplier indus-global approach may even require the company to
tries and other related industries that arelocate production or R&D facilities in other nations
internationally competitive.to take advantage of lower wage rates, to gain or

4. Firm Strategy, Structure, and Rivalry. The con-improve market access, or to take advantage of for-
ditions in the nation governing how companieseign technology. Second, creating more sustainable
are created, organized, and managed, as well asadvantages often means that a company must make
the nature of domestic rivalry.its existing advantage obsolete— even while it is still

an advantage. Japanese auto companies recognized These determinants create the national environ-
this; either they would make their advantage obso- ment in which companies are born and learn how
lete, or a competitor would do it for them. to compete. (See the diagram “ Determinants of Na-

As this example suggests, innovation and change tional Competitive Advantage.” ) Each point on the
are inextricably tied together. But change is an unnat-
ural act, particularly in successful companies; power-
ful forces are at work to avoid and defeat it. Past
approaches become institutionalized in standard op- Determinants of National
erating procedures and management controls. Train- Competitive Advantageing emphasizes the one correct way to do anything;
the construction of specialized, dedicated facilities
solidifies past practice into expensive brick and mor-
tar; the existing strategy takes on an aura of invinci-
bility and becomes rooted in the company culture.

Successful companies tend to develop a bias for
predictability and stability; they work on defending
what they have. Change is tempered by the fear that
there is much to lose. The organization at all levels
filters out information that would suggest new
approaches, modifications, or departures from the
norm. The internal environment operates like an
immune system to isolate or expel “ hostile” individ-
uals who challenge current directions or established
thinking. Innovation ceases; the company becomes
stagnant; it is only a matter of time before aggressive
competitors overtake it.

The Diamond of National Advantage

Firm Strategy,
Structure,

and Rivalry

Factor
Conditions

Demand
Conditions

Related and
Supporting
Industries

Why are certain companies based in certain na-
tions capable of consistent innovation? Why do they

78 HARVARD BUSINESS REVIEW March–April 1990

diamond— and the diamond as a system— affects es- to imitate— and they require sustained investment
to create.sential ingredients for achieving international com-

petitive success: the availability of resources and Nations succeed in industries where they are par-
ticularly good at factor creation. Competitive advan-skills necessary for competitive advantage in an in-

dustry; the information that shapes the opportuni- tage results from the presence of world-class
institutions that first create specialized factors andties that companies perceive and the directions in

which they deploy their resources and skills; the then continually work to upgrade them. Denmark
has two hospitals that concentrate in studying andgoals of the owners, managers, and individuals in

companies; and most important, the pressures on treating diabetes— and a world-leading export posi-
tion in insulin. Holland has premier research insti-companies to invest and innovate. (See the insert

“ How the Diamond Works: The Italian Ceramic Tile tutes in the cultivation, packaging, and shipping of
flowers, where it is the world’s export leader.Industry.” )

When a national environment permits and sup- What is not so obvious, however, is that selective
disadvantages in the more basic factors can prod aports the most rapid accumulation of specialized

assets and skills— sometimes simply because of company to innovate and upgrade— a disadvantage
in a static model of competition can become an ad-greater effort and commitment— companies gain a

competitive advantage. When a national environ- vantage in a dynamic one. When there is an ample
supply of cheap raw materials or abundant labor,ment affords better ongoing information and insight

into product and process needs, companies gain a companies can simply rest on these advantages and
often deploy them inefficiently. But when companiescompetitive advantage. Finally, when the national

environment pressures companies to innovate and face a selective disadvantage, like high land costs,
labor shortages, or the lack of local raw materials,invest, companies both gain a competitive advantage

and upgrade those advantages over time. they must innovate and upgrade to compete.
Implicit in the oft-repeated Japanese statement,Factor Conditions. According to standard eco-

nomic theory, factors of production— labor, land, “ We are an island nation with no natural resources,”
is the understanding that these deficiencies havenatural resources, capital, infrastructure— will deter-

mine the flow of trade. A nation will export those only served to spur Japan’s competitive innovation.
Just-in-time production, for example, economized ongoods that make most use of the factors with which

it is relatively well endowed. This doctrine, whose prohibitively expensive space. Italian steel producers
in the Brescia area faced a similar set of disadvan-origins date back to Adam Smith and David Ricardo

and that is embedded in classical economics, is at tages: high capital costs, high energy costs, and no
local raw materials. Located in Northern Lombardy,best incomplete and at worst incorrect.

In the sophisticated industries that form the back- these privately owned companies faced staggering
logistics costs due to their distance from southernbone of any advanced economy, a nation does not

inherit but instead creates the most important fac- ports and the inefficiencies of the state-owned Italian
transportation system. The result: they pioneeredtors of production— such as skilled human resources

or a scientific base. Moreover, the stock of factors technologically advanced minimills that require
only modest capital investment, use less energy, em-that a nation enjoys at a particular time is less im-

portant than the rate and efficiency with which it ploy scrap metal as the feedstock, are efficient at
small scale, and permit producers to locate close tocreates, upgrades, and deploys them in particular in-

dustries. sources of scrap and end-use customers. In other
words, they converted factor disadvantages into com-The most important factors of production are those

that involve sustained and heavy investment and are petitive advantage.
Disadvantages can become advantages only underspecialized. Basic factors, such as a pool of labor or

a local raw-material source, do not constitute an ad- certain conditions. First, they must send companies
proper signals about circumstances that will spreadvantage in knowledge-intensive industries. Compa-

nies can access them easily through a global strategy to other nations, thereby equipping them to innovate
in advance of foreign rivals. Switzerland, the nationor circumvent them through technology. Contrary

to conventional wisdom, simply having a general that experienced the first labor shortages after World
War II, is a case in point. Swiss companies respondedwork force that is high school or even college

educated represents no competitive advantage in to the disadvantage by upgrading labor productivity
and seeking higher value, more sustainable marketmodern international competition. To support com-

petitive advantage, a factor must be highly special- segments. Companies in most other parts of the
world, where there were still ample workers, focusedized to an industry’s particular needs— a scientific

institute specialized in optics, a pool of venture capi- their attention on other issues, which resulted in
slower upgrading.tal to fund software companies. These factors are

more scarce, more difficult for foreign competitors The second condition for transforming disadvan-

HARVARD BUSINESS REVIEW March–April 1990 79

How the Diamond Works:
The Italian Ceramic Tile Industry

In 1987, Italian companies were world leaders in the other technically sophisticated companies. As the tile
production and export of ceramic tiles, a $10 billion industry began to grow and prosper, many engineers and
industry. Italian producers, concentrated in and around skilled workers gravitated to the successful companies.
the small town of Sassuolo in the Emilia-Romagna re-
gion, accounted for about 30% of world production and The Emerging Italian Tile Cluster
almost 60% of world exports. The Italian trade surplus

Initially, Italian tile producers were dependent on for-
that year in ceramic tiles was about $1.4 billion.

eign sources of raw materials and production technology.
The development of the Italian ceramic tile industry’s

In the 1950s, the principal raw materials used to make
competitive advantage illustrates how the diamond of

tiles were kaolin (white) clays. Since there were red- but
national advantage works. Sassuolo’s sustainable com-

no white-clay deposits near Sassuolo, Italian producers
petitive advantage in ceramic tiles grew not from any

had to import the clays from the United Kingdom. Tile-
static or historical advantage but from dynamism and

making equipment was also imported in the 1950s
change. Sophisticated and demanding local buyers,

and 1960s: kilns from Germany, America, and France;
strong and unique distribution channels, and intense

presses for forming tiles from Germany. Sassuolo tile
rivalry among local companies created constant pres-

makers had to import even simple glazing machines.
sure for innovation. Knowledge grew quickly from con-

Over time, the Italian tile producers learned how to
tinuous experimentation and cumulative production

modify imported equipment to fit local circumstances:
experience. Private ownership of the companies and

red versus white clays, natural gas versus heavy oil. As
loyalty to the community spawned intense commit-

process technicians from tile companies left to start
ment to invest in the industry.

their own equipment companies, a local machinery in-
Tile producers benefited as well from a highly de-

dustry arose in Sassuolo. By 1970, Italian companies
veloped set of local machinery suppliers and other sup-

had emerged as world-class producers of kilns and
porting industries, producing materials, services, and

presses; the earlier situation had exactly reversed: they
infrastructure. The presence of world-class, Italian-

were exporting their red-clay equipment for foreigners
related industries also reinforced Italian strength in

to use with white clays.
tiles. Finally, the geographic concentration of the entire

The relationship between Italian tile and equipment
cluster supercharged the whole process. Today foreign

manufacturers was a mutually supporting one, made
companies compete against an entire subculture. The

even more so by close proximity. In the mid-1980s, there
organic nature of this system represents the most sus-

were some 200 Italian equipment manufacturers; more
tainable advantage of Sassuolo’s ceramic tile companies.

than 60% were located in the Sassuolo area. The equip-
ment manufacturers competed fiercely for local busi-

The Origins of the Italian Industry
ness, and tile manufacturers benefited from better prices

Tile production in Sassuolo grew out of the earthen- and more advanced equipment than their foreign rivals.
ware and crockery industry, whose history traces back As the emerging tile cluster grew and concentrated
to the thirteenth century. Immediately after World War in the Sassuolo region, a pool of skilled workers and
II, there were only a handful of ceramic tile manufactur- technicians developed, including engineers, production
ers in and around Sassuolo, all serving the local market specialists, maintenance workers, service technicians,
exclusively. and design personnel. The industry’s geographic con-

Demand for ceramic tiles within Italy began to grow centration encouraged other supporting companies to
dramatically in the immediate postwar years, as the form, offering molds, packaging materials, glazes, and
reconstruction of Italy triggered a boom in building ma- transportation services. An array of small, specialized
terials of all kinds. Italian demand for ceramic tiles was consulting companies emerged to give advice to tile
particularly great due to the climate, local tastes, and producers on plant design, logistics, and commercial,
building techniques. advertising, and fiscal matters.

Because Sassuolo was in a relatively prosperous part With its membership concentrated in the Sassuolo
of Italy, there were many who could combine the mod- area, Assopiastrelle, the ceramic tile industry associa-
est amount of capital and necessary organizational tion, began offering services in areas of common inter-
skills to start a tile company. In 1955, there were 14 est: bulk purchasing, foreign-market research, and
Sassuolo area tile companies; by 1962, there were 102. consulting on fiscal and legal matters. The growing tile

The new tile companies benefited from a local pool of cluster stimulated the formation of a new, specialized
mechanically trained workers. The region around Sassu- factor-creating institution: in 1976, a consortium of the
olo was home to Ferrari, Maserati, Lamborghini, and

80 HARVARD BUSINESS REVIEW March–April 1990

University of Bologna, regional agencies, and the ce- equipment manufacturers exceeded domestic sales; in
ramic industry association founded the Centro Cera- 1988, exports represented almost 80% of total sales.
mico di Bologna, which conducted process research and Working together, tile manufacturers and equipment
product analysis. manufacturers made the next important breakthrough

during the mid- and late 1970s: the development of
Sophisticated Home Demand materials-handling equipment that transformed tile

manufacture from a batch process to a continuous pro-
By the mid-1960s, per-capita tile consumption in Italy

cess. The innovation reduced high labor costs— which
was considerably higher than in the rest of the world.

had been a substantial selective factor disadvantage fac-
The Italian market was also the world’s most sophisti-

ing Italian tile manufacturers.
cated. Italian customers, who were generally the first

The common perception is that Italian labor costs
to adopt new designs and features, and Italian producers,

were lower during this period than those in the United
who constantly innovated to improve manufacturing

States and Germany. In those two countries, however,
methods and create new designs, progressed in a mutu-

different jobs had widely different wages. In Italy, wages
ally reinforcing process.

for different skill categories were compressed, and work
The uniquely sophisticated character of domestic de-

rules constrained manufacturers from using overtime
mand also extended to retail outlets. In the 1960s, spe-

or multiple shifts. The restriction proved costly: once
cialized tile showrooms began opening in Italy. By 1985,

cool, kilns are expensive to reheat and are best run
there were roughly 7,600 specialized showrooms han-

continuously. Because of this factor disadvantage, the
dling approximately 80% of domestic sales, far more

Italian companies were the first to develop continuous,
than in other nations. In 1976, the Italian company

automated production.
Piemme introduced tiles by famous designers to gain
distribution outlets and to build brand name awareness

Internationalization
among consumers. This innovation drew on another
related industry, design services, in which Italy was By 1970, Italian domestic demand had matured. The
world leader, with over $10 billion in exports. stagnant Italian market led companies to step up their

efforts to pursue foreign markets. The presence of re-
Sassuolo Rivalry lated and supporting Italian industries helped in the

export drive. Individual tile manufacturers began adver-
The sheer number of tile companies in the Sassuolo

tising in Italian and foreign home-design and archi-
area created intense rivalry. News of product and pro-

tectural magazines, publications with wide global
cess innovations spread rapidly, and companies seeking

circulation among architects, designers, and consumers.
technological, design, and distribution leadership had

This heightened awareness reinforced the quality image
to improve constantly.

of Italian tiles. Tile makers were also able to capitalize
Proximity added a personal note to the intense rivalry.

on Italy’s leading world export positions in related in-
All of the producers were privately held, most were fam-

dustries like marble, building stone, sinks, washbasins,
ily run. The owners all lived in the same area, knew each

furniture, lamps, and home appliances.
other, and were the leading citizens of the same towns.

Assopiastrelle, the industry association, established
trade-promotion offices in the United States in 1980,

Pressures to Upgrade
in Germany in 1984, and in France in 1987. It organized

In the early 1970s, faced with intense domestic ri- elaborate trade shows in cities ranging from Bologna to
valry, pressure from retail customers, and the shock of Miami and ran sophisticated advertising. Between 1980
the 1973 energy crisis, Italian tile companies struggled and 1987, the association spent roughly $8 million to
to reduce gas and labor costs. These efforts led to a promote Italian tiles in the United States.
technological breakthrough, the rapid single-firing pro-

— Michael J. Enright and Paolo Tenti
cess, in which the hardening process, material trans-
formation, and glaze-fixing all occurred in one pass
through the kiln. A process that took 225 employees Michael J. Enright, a doctoral student in business economics
using the double-firing method needed only 90 employ- at the Harvard Business School, performed numerous research
ees using single-firing roller kilns. Cycle time dropped and supervisory tasks for The Competitive Advantage of Na-
from 16 to 20 hours to only 50 to 55 minutes. tions. Paolo Tenti was responsible for the Italian part of re-

The new, smaller, and lighter equipment was also search undertaken for the book. He is a consultant in strategy
and finance for Monitor Company and Analysis F.A.–Milan.easier to export. By the early 1980s, exports from Italian

HARVARD BUSINESS REVIEW March–April 1990 81

tages into advantages is favorable circumstances More important than the mix of segments per se is
the nature of domestic buyers. A nation’s companieselsewhere in the diamond— a consideration that ap-

plies to almost all determinants. To innovate, com- gain competitive advantage if domestic buyers are
the world’s most sophisticated and demanding buy-panies must have access to people with appropriate

skills and have home-demand conditions that send ers for the product or service. Sophisticated, de-
manding buyers provide a window into advancedthe right signals. They must also have active domes-

tic rivals who create pressure to innovate. Another customer needs; they pressure companies to meet
high standards; they prod them to improve, to inno-precondition is company goals that lead to sustained

commitment to the industry. Without such a com- vate, and to upgrade into more advanced segments.
As with factor conditions, demand conditions pro-mitment and the presence of active rivalry, a com-

pany may take an easy way around a disadvantage vide advantages by forcing companies to respond to
tough challenges.rather than using it as a spur to innovation.

For example, U.S. consumer-electronics compa- Especially stringent needs arise because of local
values and circumstances. For example, Japanesenies, faced with high relative labor costs, chose to

leave the product and production process largely un- consumers, who live in small, tightly packed homes,
must contend with hot, humid summers and high-changed and move labor-intensive activities to Tai-

wan and other Asian countries. Instead of upgrading cost electrical energy— a daunting combination of
circumstances. In response, Japanese companiestheir sources of advantage, they settled for labor-cost

parity. On the other hand, Japanese rivals, confronted have pioneered compact, quiet air-conditioning units
powered by energy-saving rotary compressors. In in-with intense domestic competition and a mature

home market, chose to eliminate labor through auto- dustry after industry, the tightly constrained require-
ments of the Japanese market have forced companiesmation. This led to lower assembly costs, to products

with fewer components and to improved quality and to innovate, yielding products that are kei-haku-tan-
sho— light, thin, short, small— and that are interna-reliability. Soon Japanese companies were building

assembly plants in the United States— the place U.S. tionally accepted.
Local buyers can help a nation’s companies gaincompanies had fled.

Demand Conditions. It might seem that the advantage if their needs anticipate or even shape
those of other nations— if their needs provide ongo-globalization of competition would diminish the im-

portance of home demand. In practice, however, this ing “ early-warning indicators” of global market
trends. Sometimes anticipatory needs emerge be-is simply not the case. In fact, the composition and

character of the home market usually has a dispro- cause a nation’s political values foreshadow needs
that will grow elsewhere. Sweden’s long-standingportionate effect on how companies perceive, inter-

pret, and respond to buyer needs. Nations gain concern for handicapped people has spawned an in-
creasingly competitive industry focused on specialcompetitive advantage in industries where the home

demand gives their companies a clearer or earlier needs. Denmark’s environmentalism has led to suc-
cess for companies in water-pollution control equip-picture of emerging buyer needs, and where de-

manding buyers pressure companies to innovate ment and windmills.
More generally, a nation’s companies can antici-faster and achieve more sophisticated competitive

advantages than their foreign rivals. The size of home pate global trends if the nation’s values are spread-
ing— that is, if the country is exporting its valuesdemand proves far less significant than the character

of home demand. and tastes as well as its products. The international
success of U.S. companies in fast food and creditHome-demand conditions help build competitive

advantage when a particular industry segment is cards, for example, reflects not only the American
desire for convenience but also the spread of theselarger or more visible in the domestic market than

in foreign markets. The larger market segments in a tastes to the rest of the world. Nations export their
values and tastes through media, through trainingnation receive the most attention from the nation‘s

companies; companies accord smaller or less desir- foreigners, through political influence, and through
the foreign activities of their citizens and companies.able segments a lower priority. A good example is

hydraulic excavators, which represent the most Related and Supporting Industries. The third
broad determinant of national advantage is thewidely used type of construction equipment in the

Japanese domestic market— but which comprise a far presence in the nation of related and supporting in-
dustries that are internationally competitive. Inter-smaller proportion of the market in other advanced

nations. This segment is one of the few where there nationally competitive home-based suppliers create
advantages in downstream industries in severalare vigorous Japanese international competitors and

where Caterpillar does not hold a substantial share ways. First, they deliver the most cost-effective in-
puts in an efficient, early, rapid, and sometimes pref-of the world market.

82 HARVARD BUSINESS REVIEW March–April 1990

erential way. Italian gold and silver jewelry keyboards grows out of success in acoustic instru-
ments combined with a strong position in consumercompanies lead the world in that industry in part

because other Italian companies supply two-thirds electronics.
Firm Strategy, Structure, and Rivalry. Nationalof the world’s jewelry-making and precious-metal

recycling machinery. circumstances and context create strong tendencies
in how companies are created, organized, and man-Far more significant than mere access to compo-

nents and machinery, however, is the advantage that aged, as well as what the nature of domestic rivalry
will be. In Italy, for example, successful internationalhome-based related and supporting industries pro-

vide in innovation and upgrading— an advantage competitors are often small or medium-sized compa-
nies that are privately owned and operated like ex-based on close working relationships. Suppliers and

end-users located near each other can take advantage tended families; in Germany, in contrast, companies
tend to be strictly hierarchical in organization andof short lines of communication, quick and constant

flow of information, and an ongoing exchange of management practices, and top managers usually
have technical backgrounds.ideas and innovations. Companies have the opportu-

nity to influence their suppliers‘ technical efforts and No one managerial system is universally ap-
propriate— notwithstanding the current fascinationcan serve as test sites for R&D work, accelerating

the pace of innovation. with Japanese management. Competitiveness in a
specific industry results from convergence of theThe illustration of “ The Italian Footwear Cluster”

offers a graphic example of how a group of close-by, management practices and organizational modes fa-
vored in the country and the sources of competitivesupporting industries creates competitive advantage

in a range of interconnected industries that are all advantage in the industry. In industries where Italian
companies are world leaders— such as lighting, furni-internationally competitive. Shoe producers, for in-

stance, interact regularly with leather manufacturers ture, footwear, woolen fabrics, and packaging ma-
chines— a company strategy that emphasizes focus,on new styles and manufacturing techniques and

learn about new textures and colors of leather when customized products, niche marketing, rapid change,
and breathtaking flexibility fits both the dynamicsthey are still on the drawing boards. Leather manu-

facturers gain early insights into fashion trends, help- of the industry and the character of the Italian man-
agement system. The German management system,ing them to plan new products. The interaction is

mutually advantageous and self-reinforcing, but it in contrast, works well in technical or engineering-
oriented industries— optics, chemicals, complicateddoes not happen automatically: it is helped by prox-

imity, but occurs only because companies and suppli- machinery— where complex products demand preci-
sion manufacturing, a careful development process,ers work at it.

The nation’s companies benefit most when the after-sale service, and thus a highly disciplined man-
agement structure. German success is much rarer insuppliers are, themselves, global competitors. It is

ultimately self-defeating for a company or country consumer goods and services where image marketing
and rapid new-feature and model turnover are im-to create “ captive” suppliers who are totally depen-

dent on the domestic industry and prevented from portant to competition.
Countries also differ markedly in the goals thatserving foreign competitors. By the same token, a

nation need not be competitive in all supplier indus- companies and individuals seek to achieve. Com-
pany goals reflect the characteristics of national capi-tries for its companies to gain competitive advantage.

Companies can readily source from abroad materials, tal markets and the compensation practices for
managers. For example, in Germany and Switzer-components, or technologies without a major effect

on innovation or performance of the industry’s prod- land, where banks comprise a substantial part of the
nation’s shareholders, most shares are held for long-ucts. The same is true of other generalized tech-

nologies— like electronics or software— where the term appreciation and are rarely traded. Companies
do well in mature industries, where ongoing invest-industry represents a narrow application area.

Home-based competitiveness in related industries ment in R&D and new facilities is essential but re-
turns may be only moderate. The United States isprovides similar benefits: information flow and tech-

nical interchange speed the rate of innovation and at the opposite extreme, with a large pool of risk
capital but widespread trading of public companiesupgrading. A home-based related industry also in-

creases the likelihood that companies will embrace and a strong emphasis by investors on quarterly and
annual share-price appreciation. Management com-new skills, and it also provides a source of entrants

who will bring a novel approach to competing. The pensation is heavily based on annual bonuses tied to
individual results. America does well in relativelySwiss success in pharmaceuticals emerged out of pre-

vious international success in the dye industry, for new industries, like software and biotechnology, or
ones where equity funding of new companies feedsexample; Japanese dominance in electronic musical

HARVARD BUSINESS REVIEW March–April 1990 83

The Italian Footwear Cluster

Molds

Models

Ski Boots

Parts of
Footwear

Processed
Leather

Leather-working

Machinery

Injection-
molding

Machinery

Specialized
Machine

Tools

Woodworking
Equipment

Design
Services

`Apres-ski
Boots

Athletic
Footwear

Leather
Footwear

Leather
Handbags,

Gloves

Leather
Clothing

active domestic rivalry, like specialty electronics and individuals and companies, and the prestige it at-
taches to certain industries, guide the flow of capitalservices. Strong pressures leading to underinvest-

ment, however, plague more mature industries. and human resources— which, in turn, directly af-
fects the competitive performance of certain indus-Individual motivation to work and expand skills

is also important to competitive advantage. Out- tries. Nations tend to be competitive in activities
that people admire or depend on— the activities fromstanding talent is a scarce resource in any nation.

A nation’s success largely depends on the types of which the nation’s heroes emerge. In Switzerland, it
is banking and pharmaceuticals. In Israel, the highesteducation its talented people choose, where they

choose to work, and their commitment and effort. callings have been agriculture and defense-related
fields. Sometimes it is hard to distinguish betweenThe goals a nation’s institutions and values set for

84 HARVARD BUSINESS REVIEW March–April 1990

cause and effect. Attaining international success can arguably the most important because of the power-
fully stimulating effect it has on all the others.make an industry prestigious, reinforcing its advan-

tage. Conventional wisdom argues that domestic com-
petition is wasteful: it leads to duplication of effortThe presence of strong local rivals is a final, and

powerful, stimulus to the creation and persistence and prevents companies from achieving economies
of scale. The “ right solution” is to embrace one orof competitive advantage. This is true of small coun-

tries, like Switzerland, where the rivalry among its two national champions, companies with the scale
and strength to tackle foreign competitors, and topharmaceutical companies, Hoffmann-La Roche,

Ciba-Geigy, and Sandoz, contributes to a leading guarantee them the necessary resources, with the
government’s blessing. In fact, however, most na-worldwide position. It is true in the United States

in the computer and software industries. Nowhere tional champions are uncompetitive, although heav-
ily subsidized and protected by their government. Inis the role of fierce rivalry more apparent than in

Japan, where there are 112 companies competing in many of the prominent industries in which there is
only one national rival, such as aerospace and tele-machine tools, 34 in semiconductors, 25 in audio

equipment, 15 in cameras— in fact, there are usually communications, government has played a large role
in distorting competition.double figures in the industries in which Japan boasts

global dominance. (See the table “ Estimated Number Static efficiency is much less important than
dynamic improvement, which domestic rivalryof Japanese Rivals in Selected Industries.” ) Among

all the points on the diamond, domestic rivalry is uniquely spurs. Domestic rivalry, like any rivalry,
creates pressure on companies to innovate and im-
prove. Local rivals push each other to lower costs,
improve quality and service, and create new products

Estimated Number of Japanese Rivals in and processes. But unlike rivalries with foreign com-
Selected Industries petitors, which tend to be analytical and distant,

local rivalries often go beyond pure economic or busi-Air Conditioners 13
ness competition and become intensely personal.Audio Equipment 25

Automobiles 9 Domestic rivals engage in active feuds; they compete
Cameras 15 not only for market share but also for people, for
Car Audio 12 technical excellence, and perhaps most important,Carbon Fibers 7

for “ bragging rights.” One domestic rival‘s successConstruction Equipment* 15
proves to others that advancement is possible andCopiers 14

Facsimile Machines 10 often attracts new rivals to the industry. Companies
Large-scale Computers 6 often attribute the success of foreign rivals to “ un-
Lift Trucks 8 fair” advantages. With domestic rivals, there are noMachine Tools 112

excuses.Microwave Equipment 5
Geographic concentration magnifies the power ofMotorcycles 4

Musical Instruments 4 domestic rivalry. This pattern is strikingly common
Personal Computers 16 around the world: Italian jewelry companies are lo-
Semiconductors 34 cated around two towns, Arezzo and Valenza Po;Sewing Machines 20

cutlery companies in Solingen, West Germany andShipbuilding† 33
Seki, Japan; pharmaceutical companies in Basel,Steel‡ 5

Synthetic Fibers 8 Switzerland; motorcycles and musical instruments
Television Sets 15 in Hamamatsu, Japan. The more localized the rivalry,
Truck and Bus Tires 5 the more intense. And the more intense, the better.Trucks 11

Another benefit of domestic rivalry is the pressureTypewriters 14
it creates for constant upgrading of the sources ofVideocassette Recorders 10
competitive advantage. The presence of domestic

Sources: Field interviews; Nippon Kogyo Shinbun, Nippon Kogyo competitors automatically cancels the types of ad-
Nenkan, 1987; Yano Research, Market Share Jitan, 1987; researchers‘

vantage that come from simply being in a particularestimates.
nation— factor costs, access to or preference in the*The number of companies varied by product area. The smallest

number, 10, produced bulldozers. Fifteen companies produced shovel home market, or costs to foreign competitors who
trucks, truck cranes, and asphalt-paving equipment. There were 20 import into the market. Companies are forced tocompanies in hydraulic excavators, a product area where Japan was

move beyond them, and as a result, gain more sus-particularly strong.
†²Six companies had annual production exports in excess of 10,000 tainable advantages. Moreover, competing domestic
tons. rivals will keep each other honest in obtaining gov-

ernment support. Companies are less likely to get

HARVARD BUSINESS REVIEW March–April 1990 85

‡ Integrated companies.

hooked on the narcotic of government contracts or better products because of the rapid pace of new prod-
uct development that is driven by intense domesticcreeping industry protectionism. Instead, the indus-

try will seek— and benefit from— more constructive rivalry among hundreds of Italian companies. Do-
mestic rivalry also promotes the formation of relatedforms of government support, such as assistance in

opening foreign markets, as well as investments in and supporting industries. Japan’s world-leading
group of semiconductor producers, for instance, hasfocused educational institutions or other specialized

factors. spawned world-leading Japanese semiconductor-
equipment manufacturers.Ironically, it is also vigorous domestic competition

that ultimately pressures domestic companies to The effects can work in all directions: sometimes
world-class suppliers become new entrants in thelook at global markets and toughens them to succeed

in them. Particularly when there are economies of industry they have been supplying. Or highly sophis-
ticated buyers may themselves enter a supplier in-scale, local competitors force each other to look out-

ward to foreign markets to capture greater efficiency dustry, particularly when they have relevant skills
and view the new industry as strategic. In the caseand higher profitability. And having been tested by

fierce domestic competition, the stronger companies of the Japanese robotics industry, for example, Mat-
sushita and Kawasaki originally designed robots forare well equipped to win abroad. If Digital Equipment

can hold its own against IBM, Data General, Prime, internal use before beginning to sell robots to others.
Today they are strong competitors in the roboticsand Hewlett-Packard, going up against Siemens or

Machines Bull does not seem so daunting a prospect. industry. In Sweden, Sandvik moved from specialty
steel into rock drills, and SKF moved from specialty
steel into ball bearings.

Another effect of the diamond’s systemic nature
is that nations are rarely home to just one competi-The Diamond as a System
tive industry; rather, the diamond creates an en-
vironment that promotes clusters of competitiveEach of these four attributes defines a point on

the diamond of national advantage; the effect of one industries. Competitive industries are not scattered
helter-skelter throughout the economy but are usu-point often depends on the state of others. Sophisti-

cated buyers will not translate into advanced prod- ally linked together through vertical (buyer-seller) or
horizontal (common customers, technology, chan-ucts, for example, unless the quality of human

resources permits companies to meet buyer needs. nels) relationships. Nor are clusters usually scattered
physically; they tend to be concentrated geographi-Selective disadvantages in factors of production will

not motivate innovation unless rivalry is vigorous cally. One competitive industry helps to create an-
other in a mutually reinforcing process. Japan’sand company goals support sustained investment.

At the broadest level, weaknesses in any one deter- strength in consumer electronics, for example, drove
its success in semiconductors toward the memoryminant will constrain an industry’s potential for ad-

vancement and upgrading. chips and integrated circuits these products use. Japa-
nese strength in laptop computers, which contrastsBut the points of the diamond are also self-reinforc-

ing: they constitute a system. Two elements, domes- to limited success in other segments, reflects the
base of strength in other compact, portable productstic rivalry and geographic concentration, have

especially great power to transform the diamond into and leading expertise in liquid-crystal display gained
in the calculator and watch industries.a system— domestic rivalry because it promotes im-

provement in all the other determinants and geo- Once a cluster forms, the whole group of industries
becomes mutually supporting. Benefits flow forward,graphic concentration because it elevates and

magnifies the interaction of the four separate influ- backward, and horizontally. Aggressive rivalry in one
industry spreads to others in the cluster, throughences.

The role of domestic rivalry illustrates how the spin-offs, through the exercise of bargaining power,
and through diversification by established compa-diamond operates as a self-reinforcing system. Vigor-

ous domestic rivalry stimulates the development of nies. Entry from other industries within the cluster
spurs upgrading by stimulating diversity in R&D ap-unique pools of specialized factors, particularly if

the rivals are all located in one city or region: the proaches and facilitating the introduction of new
strategies and skills. Through the conduits of suppli-University of California at Davis has become the

world’s leading center of wine-making research, ers or customers who have contact with multiple
competitors, information flows freely and innova-working closely with the California wine industry.

Active local rivals also upgrade domestic demand tions diffuse rapidly. Interconnections within the
cluster, often unanticipated, lead to perceptions ofin an industry. In furniture and shoes, for example,

Italian consumers have learned to expect more and new ways of competing and new opportunities. The

86 HARVARD BUSINESS REVIEW March–April 1990

cluster becomes a vehicle for maintaining diversity that reward quality, and pursuing other policies that
magnify the forces of the diamond, the Japanese gov-and overcoming the inward focus, inertia, inflexibil-

ity, and accommodation among rivals that slows or ernment accelerates the pace of innovation. But like
government officials anywhere, at their worst Japa-blocks competitive upgrading and new entry.
nese bureaucrats can make the same mistakes: at-
tempting to manage industry structure, protecting
the market too long, and yielding to political pressure
to insulate inefficient retailers, farmers, distributors,The Role of Government
and industrial companies from competition.

It is not hard to understand why so many govern-In the continuing debate over the competitiveness
of nations, no topic engenders more argument or ments make the same mistakes so often in pursuit

of national competitiveness: competitive time forcreates less understanding than the role of the gov-
ernment. Many see government as an essential companies and political time for governments are

fundamentally at odds. It often takes more than ahelper or supporter of industry, employing a host
of policies to contribute directly to the competitive decade for an industry to create competitive advan-

tage; the process entails the long upgrading of humanperformance of strategic or target industries. Others
accept the “ free market” view that the operation of skills, investing in products and processes, building

clusters, and penetrating foreign markets. In the casethe economy should be left to the workings of the
invisible hand. of the Japanese auto industry, for instance, compa-

nies made their first faltering steps toward exportingBoth views are incorrect. Either, followed to its
logical outcome, would lead to the permanent ero- in the 1950s— yet did not achieve strong interna-

tional positions until the 1970s.sion of a country‘s competitive capabilities. On one
hand, advocates of government help for industry fre- But in politics, a decade is an eternity. Conse-

quently, most governments favor policies that offerquently propose policies that would actually hurt
companies in the long run and only create the de- easily perceived short-term benefits, such as subsid-

ies, protection, and arranged mergers— the very poli-mand for more helping. On the other hand, advocates
of a diminished government presence ignore the cies that retard innovation. Most of the policies that

would make a real difference either are too slow andlegitimate role that government plays in shaping
the context and institutional structure surrounding require too much patience for politicians or, even

worse, carry with them the sting of short-term pain.companies and in creating an environment that stim-
ulates companies to gain competitive advantage. Deregulating a protected industry, for example, will

lead to bankruptcies sooner and to stronger, moreGovernment’s proper role is as a catalyst and chal-
lenger; it is to encourage— or even push— companies competitive companies only later.

Policies that convey static, short-term cost advan-to raise their aspirations and move to higher levels of
competitive performance, even though this process tages but that unconsciously undermine innovation

and dynamism represent the most common and mostmay be inherently unpleasant and difficult. Govern-
ment cannot create competitive industries; only profound error in government industrial policy. In a

desire to help, it is all too easy for governments tocompanies can do that. Government plays a role that
is inherently partial, that succeeds only when work- adopt policies such as joint projects to avoid “ waste-

ful” R&D that undermine dynamism and competi-ing in tandem with favorable underlying conditions
in the diamond. Still, government’s role of transmit- tion. Yet even a 10% cost saving through economies

of scale is easily nullified through rapid product andting and amplifying the forces of the diamond is a
powerful one. Government policies that succeed are process improvement and the pursuit of volume in

global markets— something that such policies under-those that create an environment in which compa-
nies can gain competitive advantage rather than mine.

There are some simple, basic principles that gov-those that involve government directly in the pro-
cess, except in nations early in the development pro- ernments should embrace to play the proper support-

ive role for national competitiveness: encouragecess. It is an indirect, rather than a direct, role.
Japan‘s government, at its best, understands this change, promote domestic rivalry, stimulate innova-

tion. Some of the specific policy approaches to guiderole better than anyone— including the point that
nations pass through stages of competitive develop- nations seeking to gain competitive advantage in-

clude the following.ment and that government‘s appropriate role shifts
as the economy progresses. By stimulating early de- Focus on specialized factor creation. Govern-

ment has critical responsibilities for fundamentalsmand for advanced products, confronting industries
with the need to pioneer frontier technology through like the primary and secondary education systems,

basic national infrastructure, and research in areassymbolic cooperative projects, establishing prizes

HARVARD BUSINESS REVIEW March–April 1990 87

of broad national concern such as health care. Yet competitiveness arena today is the call for more co-
operative research and industry consortia. Operatingthese kinds of generalized efforts at factor creation

rarely produce competitive advantage. Rather, the on the belief that independent research by rivals is
wasteful and duplicative, that collaborative effortsfactors that translate into competitive advantage are

advanced, specialized, and tied to specific industries achieve economies of scale, and that individual com-
panies are likely to underinvest in R&D because theyor industry groups. Mechanisms such as specialized

apprenticeship programs, research efforts in univer- cannot reap all the benefits, governments have em-
braced the idea of more direct cooperation. In thesities connected with an industry, trade association

activities, and, most important, the private invest- United States, antitrust laws have been modified to
allow more cooperative R&D; in Europe, megapro-ments of companies ultimately create the factors

that will yield competitive advantage. jects such as ESPRIT, an information-technology
project, bring together companies from several coun-Avoid intervening in factor and currency mar-

kets. By intervening in factor and currency markets, tries. Lurking behind much of this thinking is the
fascination of Western governments with— and fun-governments hope to create lower factor costs or

a favorable exchange rate that will help companies damental misunderstanding of— the countless coop-
erative research projects sponsored by the Ministrycompete more effectively in international markets.

Evidence from around the world indicates that these of International Trade and Industry (MITI), projects
that appear to have contributed to Japan’s competi-policies— such as the Reagan administration’s dollar

devaluation— are often counterproductive. They tive rise.
But a closer look at Japanese cooperative projectswork against the upgrading of industry and the search

for more sustainable competitive advantage. suggests a different story. Japanese companies partic-
ipate in MITI projects to maintain good relationsThe contrasting case of Japan is particularly in-

structive, although both Germany and Switzerland with MITI, to preserve their corporate images, and
to hedge the risk that competitors will gain from thehave had similar experiences. Over the past 20 years,

the Japanese have been rocked by the sudden Nixon project— largely defensive reasons. Companies rarely
contribute their best scientists and engineers to co-currency devaluation shock, two oil shocks, and,

most recently, the yen shock— all of which forced operative projects and usually spend much more on
their own private research in the same field. Typi-Japanese companies to upgrade their competitive ad-

vantages. The point is not that government should cally, the government makes only a modest financial
contribution to the project.pursue policies that intentionally drive up factor

costs or the exchange rate. Rather, when market The real value of Japanese cooperative research is
to signal the importance of emerging technical areasforces create rising factor costs or a higher exchange

rate, government should resist the temptation to and to stimulate proprietary company research. Co-
operative projects prompt companies to explore newpush them back down.

Enforce strict product, safety, and environmental fields and boost internal R&D spending because
companies know that their domestic rivals are in-standards. Strict government regulations can pro-

mote competitive advantage by stimulating and up- vestigating them.
Under certain limited conditions, cooperative re-grading domestic demand. Stringent standards for

product performance, product safety, and environ- search can prove beneficial. Projects should be in
areas of basic product and process research, not inmental impact pressure companies to improve qual-

ity, upgrade technology, and provide features that subjects closely connected to a company‘s proprie-
tary sources of advantage. They should constituterespond to consumer and social demands. Easing

standards, however tempting, is counterproductive. only a modest portion of a company’s overall research
program in any given field. Cooperative researchWhen tough regulations anticipate standards that

will spread internationally, they give a nation’s com- should be only indirect, channeled through indepen-
dent organizations to which most industry partici-panies a head start in developing products and ser-

vices that will be valuable elsewhere. Sweden’s strict pants have access. Organizational structures, like
university labs and centers of excellence, reducestandards for environmental protection have pro-

moted competitive advantage in many industries. management problems and minimize the risk to ri-
valry. Finally, the most useful cooperative projectsAtlas Copco, for example, produces quiet compres-

sors that can be used in dense urban areas with often involve fields that touch a number of industries
and that require substantial R&D investments.minimal disruption to residents. Strict standards,

however, must be combined with a rapid and stream- Promote goals that lead to sustained invest-
ment. Government has a vital role in shaping thelined regulatory process that does not absorb re-

sources and cause delays. goals of investors, managers, and employees through
policies in various areas. The manner in which capi-Sharply limit direct cooperation among industry

rivals. The most pervasive global policy fad in the tal markets are regulated, for example, shapes the

88 HARVARD BUSINESS REVIEW March–April 1990

incentives of investors and, in turn, the behavior of seek to open markets wherever a nation has competi-
tive advantage and should actively address emergingcompanies. Government should aim to encourage

sustained investment in human skills, in innovation, industries and incipient problems.
Where government finds a trade barrier in anotherand in physical assets. Perhaps the single most pow-

erful tool for raising the rate of sustained investment nation, it should concentrate its remedies on disman-
tling barriers, not on regulating imports or exports.in industry is a tax incentive for long-term (five years

or more) capital gains restricted to new investment in In the case of Japan, for example, pressure to acceler-
ate the already rapid growth of manufactured importscorporate equity. Long-term capital gains incentives

should also be applied to pension funds and other is a more effective approach than a shift to managed
trade. Compensatory tariffs that punish companiescurrently untaxed investors, who now have few rea-

sons not to engage in rapid trading. for unfair trade practices are better than market quo-
tas. Other increasingly important tools to open mar-Deregulate competition. Regulation of competi-

tion through such policies as maintaining a state kets are restrictions that prevent companies in
offending nations from investing in acquisitions ormonopoly, controlling entry into an industry, or fix-

ing prices has two strong negative consequences: it production facilities in the host country— thereby
blocking the unfair country’s companies from usingstifles rivalry and innovation as companies become

preoccupied with dealing with regulators and pro- their advantage to establish a new beachhead that is
immune from sanctions.tecting what they already have; and it makes the

industry a less dynamic and less desirable buyer or Any of these remedies, however, can backfire. It is
virtually impossible to craft remedies to unfair tradesupplier. Deregulation and privatization on their

own, however, will not succeed without vigorous practices that avoid both reducing incentives for do-
mestic companies to innovate and export and harm-domestic rivalry— and that requires, as a corollary,

a strong and consistent antitrust policy. ing domestic buyers. The aim of remedies should be
adjustments that allow the remedy to disappear.Enforce strong domestic antitrust policies. A

strong antitrust policy— especially for horizontal
mergers, alliances, and collusive behavior— is funda-
mental to innovation. While it is fashionable today
to call for mergers and alliances in the name of global- The Company Agenda
ization and the creation of national champions, these
often undermine the creation of competitive advan- Ultimately, only companies themselves can

achieve and sustain competitive advantage. To dotage. Real national competitiveness requires gov-
ernments to disallow mergers, acquisitions, and so, they must act on the fundamentals described

above. In particular, they must recognize the centralalliances that involve industry leaders. Furthermore,
the same standards for mergers and alliances should role of innovation— and the uncomfortable truth that

innovation grows out of pressure and challenge. Itapply to both domestic and foreign companies. Fi-
nally, government policy should favor internal entry, takes leadership to create a dynamic, challenging

environment. And it takes leadership to recognizeboth domestic and international, over acquisition.
Companies should, however, be allowed to acquire the all-too-easy escape routes that appear to offer a

path to competitive advantage, but are actuallysmall companies in related industries when the
move promotes the transfer of skills that could ulti- short-cuts to failure. For example, it is tempting to

rely on cooperative research and development proj-mately create competitive advantage.
Reject managed trade. Managed trade represents ects to lower the cost and risk of research. But they

can divert company attention and resources froma growing and dangerous tendency for dealing with
the fallout of national competitiveness. Orderly mar- proprietary research efforts and will all but eliminate

the prospects for real innovation.keting agreements, voluntary restraint agreements,
or other devices that set quantitative targets to divide Competitive advantage arises from leadership that

harnesses and amplifies the forces in the diamondup markets are dangerous, ineffective, and often
enormously costly to consumers. Rather than pro- to promote innovation and upgrading. Here are just

a few of the kinds of company policies that willmoting innovation in a nation’s industries, managed
trade guarantees a market for inefficient companies. support that effort:

Create pressures for innovation. A companyGovernment trade policy should pursue open mar-
ket access in every foreign nation. To be effective, should seek out pressure and challenge, not avoid

them. Part of strategy is to take advantage of thetrade policy should not be a passive instrument; it
cannot respond only to complaints or work only for home nation to create the impetus for innovation.

To do that, companies can sell to the most sophisti-those industries that can muster enough political
clout; it should not require a long history of injury or cated and demanding buyers and channels; seek out

those buyers with the most difficult needs; establishserve only distressed industries. Trade policy should

HARVARD BUSINESS REVIEW March–April 1990 89

norms that exceed the toughest regulatory hurdles ous domestic rivalry. Especially in the United States
and Europe today, managers are wont to complainor product standards; source from the most advanced

suppliers; treat employees as permanent in order to about excessive competition and to argue for mergers
and acquisitions that will produce hoped-for econo-stimulate upgrading of skills and productivity.

Seek out the most capable competitors as motiva- mies of scale and critical mass. The complaint is only
natural— but the argument is plain wrong. Vigoroustors. To motivate organizational change, capable

competitors and respected rivals can be a common domestic rivalry creates sustainable competitive ad-
vantage. Moreover, it is better to grow internation-enemy. The best managers always run a little scared;

they respect and study competitors. To stay dynamic, ally than to dominate the domestic market. If a
company wants an acquisition, a foreign one thatcompanies must make meeting challenge a part of

the organization’s norms. For example, lobbying can speed globalization and supplement home-based
advantages or offset home-based disadvantages isagainst strict product standards signals the organiza-

tion that company leadership has diminished aspira- usually far better than merging with leading domes-
tic competitors.tions. Companies that value stability, obedient

customers, dependent suppliers, and sleepy competi- Globalize to tap selective advantages in other na-
tions. In search of “ global” strategies, many compa-tors are inviting inertia and, ultimately, failure.

Establish early-warning systems. Early-warning nies today abandon their home diamond. To be sure,
adopting a global perspective is important to creatingsignals translate into early-mover advantages. Com-

panies can take actions that help them see the signals competitive advantage. But relying on foreign activi-
ties that supplant domestic capabilities is always aof change and act on them, thereby getting a jump

on the competition. For example, they can find and second-best solution. Innovating to offset local factor
disadvantages is better than outsourcing; developingserve those buyers with the most anticipatory needs;

investigate all emerging new buyers or channels; find domestic suppliers and buyers is better than relying
solely on foreign ones. Unless the critical underpin-places whose regulations foreshadow emerging regu-

lations elsewhere; bring some outsiders into the nings of competitiveness are present at home, com-
panies will not sustain competitive advantage in themanagement team; maintain ongoing relationships

with research centers and sources of talented people. long run. The aim should be to upgrade home-base
capabilities so that foreign activities are selectiveImprove the national diamond. Companies have

a vital stake in making their home environment a and supplemental only to over-all competitive ad-
vantage.better platform for international success. Part of a

company’s responsibility is to play an active role in The correct approach to globalization is to tap se-
lectively into sources of advantage in other nations’forming clusters and to work with its home-nation

buyers, suppliers, and channels to help them upgrade diamonds. For example, identifying sophisticated
buyers in other countries helps companies under-and extend their own competitive advantages. To

upgrade home demand, for example, Japanese musi- stand different needs and creates pressures that will
stimulate a faster rate of innovation. No matter howcal instrument manufacturers, led by Yamaha,

Kawai, and Suzuki, have established music schools. favorable the home diamond, moreover, important
research is going on in other nations. To take advan-Similarly, companies can stimulate and support local

suppliers of important specialized inputs— including tage of foreign research, companies must station
high-quality people in overseas bases and mount aencouraging them to compete globally. The health

and strength of the national cluster will only enhance credible level of scientific effort. To get anything
back from foreign research ventures, companiesthe company’s own rate of innovation and upgrading.

In nearly every successful competitive industry, must also allow access to their own ideas—
recognizing that competitive advantage comes fromleading companies also take explicit steps to create

specialized factors like human resources, scientific continuous improvement, not from protecting to-
day‘s secrets.knowledge, or infrastructure. In industries like wool

cloth, ceramic tiles, and lighting equipment, Italian Use alliances only selectively. Alliances with
foreign companies have become another managerialindustry associations invest in market information,

process technology, and common infrastructure. fad and cure-all: they represent a tempting solution
to the problem of a company wanting the advantagesCompanies can also speed innovation by putting

their headquarters and other key operations where of foreign enterprises or hedging against risk, without
giving up independence. In reality, however, whilethere are concentrations of sophisticated buyers,

important suppliers, or specialized factor-creating alliances can achieve selective benefits, they always
exact significant costs: they involve coordinatingmechanisms, such as universities or laboratories.

Welcome domestic rivalry. To compete globally, two separate operations, reconciling goals with an
independent entity, creating a competitor, and givinga company needs capable domestic rivals and vigor-

90 HARVARD BUSINESS REVIEW March–April 1990

up profits. These costs ultimately make most alli- The Role of Leadership
ances short-term transitional devices, rather than
stable, long-term relationships. Too many companies and top managers misper-

Most important, alliances as a broad-based strategy ceive the nature of competition and the task before
will only ensure a company’s mediocrity, not its in- them by focusing on improving financial perfor-
ternational leadership. No company can rely on an- mance, soliciting government assistance, seeking
other outside, independent company for skills and stability, and reducing risk through alliances and
assets that are central to its competitive advantage. mergers.
Alliances are best used as a selective tool, employed Today’s competitive realities demand leadership.
on a temporary basis or involving noncore activities. Leaders believe in change; they energize their organi-

Locate the home base to support competitive ad- zations to innovate continuously; they recognize the
vantage. Among the most important decisions for importance of their home country as integral to their
multinational companies is the nation in which to competitive success and work to upgrade it. Most
locate the home base for each distinct business. A important, leaders recognize the need for pressure
company can have different home bases for distinct and challenge. Because they are willing to encourage
businesses or segments. Ultimately, competitive ad- appropriate— and painful— government policies and
vantage is created at home: it is where strategy is regulations, they often earn the title “ statesmen,”
set, the core product and process technology is cre- although few see themselves that way. They are pre-
ated, and a critical mass of production takes place. pared to sacrifice the easy life for difficulty and, ulti-
The circumstances in the home nation must support mately, sustained competitive advantage. That must
innovation; otherwise the company has no choice be the goal, for both nations and companies: not just
but to move its home base to a country that stimu- surviving, but achieving international competitive-
lates innovation and that provides the best environ- ness.
ment for global competitiveness. There are no half- And not just once, but continuously.
measures: the management team must move as well.

HARVARD BUSINESS REVIEW March–April 1990 91

Harley Davison Company Analysis
Strategic Analysis Worksheet

Executive Summary
Market background
Global Economy/ Factors Affecting Global Economy
Financial performance
Motivations/ Risks
Motivations for Expansion
Risks in Expansion
Competitive Advantage in Global Markets

Entry Strategies for Global Expansion
Internet Approach/ Strategy
How the Internet adds value
Internet Business Models
Competitive Strategies
Leverage E-Business Capabilities

Harley-Davidson is one of the most successful automobile company.
It is the leading manufacture of heavyweight motorcycles in the globe.
It commands a third of the global market and half of the US market.
The company specialized in heavy motorcycle production and giving credit to its customers to acquire the products

The 2008 global financial crisis affected the company’s profits negatively
The company reported losses for the two consecutive years of 2009 and 2010
The global economy has been recovering slowly since the year 2010
The company has taken advantage of the recovering economy to enter in to new markets

Its performance was affected by the global financial crisis of 2008 leading to reduction of its general revenues.
In 2009, the Harley Davidson reported a cash flow of $609 millions from its operating activities and a significant drop of 23.1% compared to 2008.
However, the company has been able to report consisted profits since the year 2011.

Global demand of its heavy weight touring and motorcycles
Buell motorcycle and Harley Davidson financial services (HDFS) making the credit for purchase of the companies products accessible across the globe
Need to expand its operation beyond the current 30 countries where it has its main operations.

Loss of the company’s focus on its main market in the US
It may lead to increased managerial problems which may make the company unable to maintain the quality of its products
It will be expensive to establish operations in the new markets

The Buell motorcycle and Harley Davidson financial services (HDFS) gives e company an upper competitive advantage over its competitors due to its ability to avail credit to its customers and enable them acquire the company’s products.
Crowd outsourcing strategy being implemented recently which will give boost the company’s marketing efforts

The use of market penetration strategies in then new and emerging markets
The use of Market development strategies to enter deep in the less occupied markets to increase its market share. This is applied mainly in the US market.
Product development strategies to enhance the company’s diversification strategies.

The company is using the internet to enhance its marketing efforts in promoting its products in the overseas markets
Through the internet, the company ahs been able to establish a direct connection with its customers. It has successfully implementing the crowd sourcing marketing strategy through the internet.

It developed unique differentiation strategy to enable it competes effective with its rival companies.
It has invested more resources in enhancement of its product’s quality and design to make them more competitive.
The main competitors are Yamaha, BMW, and Honda.
Harley Division through its product differentiation degree has produced heavyweight cruisers and touring engines.

The company produces variety of motor engines to suit the diverse customer preferences.
The ability of the company to undertake market segmentation makes it possible to carry out price differentiation.
The high quality of the firm’s motor engines gives the company market power.

The company’s ability to conduct E-business is limited by the fact that the company deals with physical products
However, conducting the purchase through the internet is a viable option that may reduce the company’s distribution costs as it would be easy to identify the new and viable markets and establish distribution chains only in those markets.

Dess, G. (2011). Strategic Management: Text and Cases (6th ed). New York: McGraw-Hill Learning Solutions.
Gingerelli, D. (2011). Art of the Harley-Davidson Motorcycle. Michigan: MotorBooks International.
Stanfield, P. (2005). Heritage Design: The Harley-Davidson Motor Company. Journal of Design History, 5(2), 100-105.