Ppt on Thoreis

Fourth Edition

InternationalBusiness

CHAPTER 4

International Trade Theory

Chapter Focus

• Explain why it is beneficial for a country to engage in international trade.

Chapter Focus

• Explain why it is beneficial for a country to engage in international trade.

• Explain the pattern of international trade observed in the world economy.

• 1st British African colony to win independence (1957).

• Nkrumah espoused pan African socialism.• High tariffs.• Anti export (trade) policy.

• Kept lowering tariffs on manufactured goods.• Created incentives to export (trade).• Reduced quotas.• Reduced subsidies.• 1950s: 77% of employment in agriculture. Now 20%.• Manufacturing GNP went from 10% to over 30%.

The Impact of Trade Policies• Ghana• 1970

– GNP/capita • $250

• 1992– GNP/per capita

• $450

– GNP Growth/year • 1.5%

• Shift from productive uses (cocoa) to unproductive uses (subsistence agriculture).

• Korea• 1970

– GNP/per capita • $260

• 1992– GNP/per capita

• $6790– GNP Growth/year

• 9%

• Shift from non-comparative advantage uses (agriculture) to productive uses (labor-intensive manufacturing).

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McGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc., All Rights Reserved.

An Overview of Trade Theory

• Free Trade occurs when a government does not attempt to influence, through quotas or duties, what its citizens can buy from another country or what they can produce and sell to another country.

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• The Benefits of Trade allow a country to specialize in the manufacture and export of products that can be produced most efficiently in that country.

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• The Pattern of International Trade displays patterns that are easy to understand (Saudi Arabia/oil or China/crawfish). Others are not so easy to understand (Japan and cars).

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• The Pattern of International Trade displays patterns that are easy to understand (Saudi Arabia/oil or China/crawfish). Others are not so easy to understand (Japan and cars).

• The history of Trade Theory and Government Involvement presents a mixed case for the role of government in promoting exports and limiting imports. Later theories appear to make a case for limited involvement.

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Mercantilism: mid-16th century

• A nation’s wealth depends on accumulated treasure

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• Gold and silver are the currency of trade.

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• Theory says you should have a trade surplus.

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• Theory says you should have a trade surplus. – Maximize exports

through subsidies.

– Minimize imports through tariffs and quotas.

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• A nation’s wealth depends on accumulated treasure• Gold and silver are the currency

of trade.• Theory says you should have

a trade surplus. – Maximize exports through

subsidies.

– Minimize imports through tariffs and quotas.

• Flaw: “zero-sum game”.

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Theory of Absolute AdvantageAdam Smith: Wealth of Nations (1776).

• Capability of one country to produce more of a product with the same amount of input than another country.

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• Produce only goods where you are most efficient, trade for those where you are not efficient.

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• Produce only goods where you are most efficient, trade for those where you are not efficient.

• Assumes there is an absolute advantage balance among nations, e.g., Ghana/cocoa.

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The Theory of Absolute Advantage

Rice

Coco

a

Figure 4.1

G’

0 5 10 15 20

5

10

1

5

20

A

BK

G

K’

The Theory of Absolute Advantage and the Gains from Trade

Production and Consumption without Trade

S. Korea 2.5 10.0

Total production 20 20

S. Korea 6.0 14.0

Resources Required to Produce 1 Ton of Cocoa and RiceCocoa Rice

Ghana 10 20S. Korea 40 10

Ghana 10.0 5.0

Total production 12.5 15.0Production with Specialization

Ghana 20 0S. Korea 0 20

Consumption after Ghana Trades 6T of Cocoa for 6TSouth Korean RiceGhana 14.0 6.0

Increase in Consumption as a Result of Specialization and Trade

Ghana 4.0 1.0S. Korea 3.5 4.0 Table 4.1

Theory of Comparative AdvantageDavid Ricardo: Principles of Political Economy

(1817).

– Should trade even if country is more efficient in the production than its trading partner.

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The Theory of Comparative Advantage

Figure 4.2

3.75

7.5

2.5

0 5 10 15 20

5

10

1

5

20

Coco

a

Rice

G

C

A

K

K’B

G’

Comparative Advantage and the Gains from Trade

S. Korea 40 20

S. Korea 2.5 5.0

S. Korea 0.0 10.0

S. Korea 4 6

Resources Required to Produce 1 Ton of Cocoa and Rice

Ghana 10 13.33

Production and Consumption without TradeGhana 10.0 7.5

Total production 12.5 12.5Production with Specialization

Ghana 15 3.75

Total production 15 13.75Consumption after Ghana Trades 4T of Cocoa for 4TSouth Korean

RiceGhana 11 7.75

Increase in Consumption as a Result of Specialization and TradeGhana 1.0 0.25

S. Korea 1.5 1.0

Cocoa Rice

Table 4.2

Extensions of the Ricardian Model

• Immobile resources:– Resources do not always move easily from one

economic activity to another.• Diminishing returns:

– More a country produces, at some point, will require more resources (diminishing returns to specialization).

– Different goods use resources in different proportions.• However:

– Free trade might increase a country’s stock of resources (as labor and capital arrives from abroad), and

– Increase the efficiency of resource utilization.

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Ghana’s PPF under Diminishing Returns

Coco

a

Rice

G’

G

0

Figure 4.3

The Influence of Free Trade on the PPF

Figure 4.4

Coco

a

Rice

G’

PPF2

0

PPF1

A Link Between Trade and Growth

Sachs and Warner: 1970 to 1990 study

Open economy developing countries grew 4.49%/year.Closed economy developing countries grew 0.69%/year.Open economy developed countries grew 2.29%/year.Closed economy developed countries grew 0.74%/year.

Frankel and Romer: On average, a one percentage point increase in the ratio of a country’s trade to its GDP increases income/person by at least 0.5%. For every 10% increase in the importance of international trade in an economy, average income levels will rise by at least 5%.

Heckscher (1919)-Olin (1933) Theory

• Labor is not the only Factor of production. We need to account for land, capital, and technology.

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• Factor endowments: extent to which a country is endowed with such resources as land, labor, and capital.

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• Export goods that intensively use factor endowments which are locally abundant.

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• Export goods that intensively use factor endowments which are locally abundant.

• Corollary: import goods made from locally scarce factors.

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• Patterns of trade are determined by differences in factor endowments - not productivity.

• Remember, focus on relative advantage, not absolute advantage.

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The Leontief Paradox, 1953

• Disputes Heckscher-Olin in some instances.• Factor endowments can be impacted by

government policy - minimum wage.• US tends to export labor-intensive products, but

is regarded as a capital intensive country.

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Product Life-Cycle Theory(Raymond Vernon, 1966)

• Article in the Quarterly Journal of Economics.• As products mature, both location of sales and optimal

production changes.• Affects the direction and flow of imports and exports.• Globalization and integration of the economy makes this

theory less valid.

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The Product Life-Cycle Theory

production

consumption

Figure 4.5

Exports

160140120100 80 60 40 200

United States

Other Advanced Countries

Developing Countries

Stages of Production Development

New Product Standardized ProductMaturing Product

Imports

Imports

Exports

Exports

Imports

160140120100 80 60 40 200

160140120100 80 60 40 200

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The New Trade Theory• Began to be recognized in the 1970s.• Deals with the returns on specialization where

substantial economies of scale are present.– Specialization increases output, ability to enhance

economies of scale increase.

• In addition to economies of scale, learning effects also exist.– Learning effects are cost savings that come from

“learning by doing”.

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Application of the New Trade Theory

• Typically, requires industries with high, fixed costs.

• World demand will support few competitors.

• Competitors may emerge because “they got there first”.

• First-mover advantage.

• Some argue that it generates government intervention and strategic trade policy.

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First-Mover Advantage• Economies of scale may preclude new entrants.• Role of the government.

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Porter’s Diamond(Harvard Business School, 1990)

• The Competitive Advantage of Nations.• Looked at 100 industries in 10 nations.

– Thought existing theories didn’t go far enough.• Question: “Why does a nation achieve

international success in a particular industry?”

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Determinants of National Competitive Advantage

• Factor endowments:nation’s position in factors of production such as skilled labor or infrastructure necessary to compete in a given industry.




• Demand conditions:the nature of home demand for the industry’s product or service.





• Related and supporting industries:the presence or absence in a nation of supplier industries or related industries that are nationally competitive.





• Related and supporting industries:the presence or absence in a nation of supplier industries or related industries that are nationally competitive.

• Firm strategy, structure and rivalry:the conditions in the nation governing how companies are created, organized, and managed and the nature of domestic rivalry.


Porter’s DiamondDeterminants of National Competitive

Advantage

Factor Endowments

Firm Strategy,Structure and

Rivalry

Demand Conditions

Related and Supporting IndustriesFigure 4.6

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The Diamond• Success occurs where these attributes exist.

– More/greater the attribute, the higher chance of success.

• The diamond is mutually reinforcing.

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GovernmentGovernment

Company Strategy,Structure,

and Rivalry

DemandConditions

Relatedand Supporting

Industries

FactorConditions

ChanceChance

Two external factors that influence the four determinants.

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Factor Endowments• Taken from Heckscher-

Olin• Basic factors:

– natural resources– climate– location– demographics

• Advanced factors:– communications– skilled labor– research– technology

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Advanced Factor Endowments

• More likely to lead to competitive advantage.

• Are the result of investment by people, companies, government.

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Relationship of Basic to Advanced Factors

• Basic can provide an initial advantage.• Must be supported by advanced factors to

maintain success.• No basics, then must invest in advanced factors.

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Demand Conditions

• Demand creates the capabilities.

• Look for sophisticated and demanding consumers.– impacts quality and innovation.

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Related and Supporting Industries

• Creates clusters of supporting industries that are internationally competitive.

• Must also meet requirements of other parts of the Diamond.

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Firm Strategy, Structure and Rivalry

• Management ‘ideology’ can either help or hurt you.• Presence of domestic rivalry improves a company’s

competitiveness.

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Evaluating Porter’s Theory• If Porter is right, we would expect his model to

predict the pattern of international trade that we observe in the real world. Countries should be exporting products from those industries where all four components of the diamond are favorable, while importing in those areas where the components are not favorable.

• Too soon to tell.

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Implications for Business

• Location implications:makes sense to disperse production activities to countries where they can be performed most efficiently.

• First-mover implications:It pays to invest substantial financial resources in building a first-mover, or early-mover, advantage.

• Policy implications:promoting free trade is generally in the best interests of the home-country, although not always in the best interests of the firm. Even though, many firms promote open markets.

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