Trade
Learning Objectives
6-1 Understand why nations trade with each other.
6-2 Summarize the different theories explaining trade flows between nations.
6-3 Recognize why many economists believe that unrestricted free trade between nations will raise the economic welfare of countries that participate in a free trade system.
6-4 Explain the arguments of those who maintain that government can play a proactive role in promoting national competitive advantage in certain industries.
6-5 Understand the important implications that international trade theory holds for management practice.
An Overview of Trade Theory
1. Free Trade
Definition: Free trade is the economic policy of allowing imports and exports between countries without government intervention. This means no quotas or duties used by the government to control trade.
Key Theories:
Adam Smith’s Theory of Absolute Advantage
David Ricardo’s Theory of Comparative Advantage
Heckscher-Ohlin Theory
2. The Benefits of Trade
Conclusion: Trade theories illustrate that international trade can be beneficial even for goods that a country can produce itself.
Key benefits include:
Specialization: Countries can specialize in the production of goods, enhancing efficiency and output.
Consumer Impact: Restrictions on imports often benefit domestic producers but can disadvantage domestic consumers by limiting choices and raising prices.
3. The Pattern of International Trade
Notable challenges: The actual patterns of international trade often defy straightforward logical explanation.
Key Theories:
Ricardo’s Comparative Advantage: Emphasizes differences in labor productivity.
Heckscher-Ohlin Theory: Focuses on national endowments of factors of production.
Vernon’s Product Life-Cycle Theory: Examines changes in production locations as products gain global acceptance.
Krugman’s New Trade Theory: Investigates first-mover advantages in the market.
Competitive Advantage
Example: Display of a luxury watch at a store, highlighting branding and market positioning.
Trade Theory and Government Policy
1. Mercantilism
Definition: A theory emerged in 16th-century England, focusing on accumulating national wealth primarily through a surplus in trade.
Characteristics:
Emphasizes government intervention to promote exports and restrict imports.
Views international trade as a zero-sum game; one nation's gain equates to another's loss.
2. Classically Liberal Theories
Major Contributors:
Smith, Ricardo, and Heckscher-Ohlin: Advocated for unrestricted free trade.
New Trade Theory and Porter: Consider a limited intervention approach for certain strategically significant industries.
3. Definitions of Absolute Advantage
Definition (Adam Smith, 1776): A country possesses absolute advantage in producing a good when it can produce it more efficiently than any other country.
Implications: Countries should focus on specialized production and engage in trade for mutual benefits.
4. Visual Representation
Figure 6.1: The Theory of Absolute Advantage
Representation of production capabilities:
Ghana can produce 10 tons of cocoa and 5 tons of rice.
South Korea can produce 10 tons of rice and 2.5 tons of cocoa.
Total without trade: 12.5 tons cocoa and 15 tons rice.
Total with specialization and trade: Ghana’s 20 tons cocoa and South Korea’s 20 tons rice, yielding increased total outputs.
Comparative Advantage
1. Definition (David Ricardo, 1817)
A country should specialize in goods it can produce most efficiently and import those that it cannot produce as efficiently, even if it can produce all goods more efficiently.
2. The Gains from Trade
Conclusion: Global production potential is maximized under unrestricted trade conditions.
Benefits: Countries involved in trade generally experience economic gains, making trade a positive-sum game.
3. Key Assumptions of the Model
Simplifications include:
Two countries and two goods.
No transportation costs.
Homogeneous resources.
Free movement of resources.
Constant returns to scale.
Fixed stock of resources with consistent efficiency.
No trade impact on domestic income distribution.
4. Extensions of the Ricardian Model
4.1 Immobile Resources
Resources may not easily transition between different economic activities.
Resistance to free trade often originates from those fearing job loss.
4.2 Diminishing Returns
The assumption of constant returns may be unrealistic due to varying qualities and different resource needs across products.
4.3 Dynamic Effects and Economic Growth
Trade could enhance resource availability via increased labor and capital influx from other nations.
There is a potential for efficiency improvements under free trade, contributing to economic growth reflected in an outward shift of the Production Possibility Frontier (PPF).
Figure 6.4: Influence of Free Trade on PPF
Changes in the PPF illustrating cocoa and rice outputs.
4.4 Trade, Jobs, and Wages: The Samuelson Critique
Questions the implications of free trade between economies of differing productivity levels, particularly between wealthier nations (e.g., U.S.) and rapidly advancing poorer nations (e.g., China).
Concerns arise regarding wage impacts and job losses related to offshoring.
4.5 Evidence for Trade and Growth
Empirical evidence indicates that nations with open trade policies typically enjoy superior economic growth compared to those with restrictive trade practices.
Sachs and Warner's study evaluates trade openness quantitatively.
Heckscher-Ohlin Theory
1. Factor Endowments
Comparative advantage is derived from differences in resource endowments, such as labor, land, and capital availability.
Export goods that utilize abundant domestic factors; import goods that rely on scarce factors.
2. The Leontief Paradox
Challenges the validity of Heckscher-Ohlin: U.S. exports paradoxically being less capital-intensive than its imports raises important questions about trade theory applications.
Product Life-Cycle Theory
1. Key Concepts (Raymond Vernon, 1960s)
Encompasses the shifts in production and demand patterns for new products originating from the U.S. market.
U.S. leads in new product innovation due to market wealth and incentives for process innovations within the U.S. labor context.
As global demand increases, price becomes a more significant competitive factor.
2. Modern Critique
Original theory is deemed somewhat ethnocentric and less relevant to globalized contemporary markets.
New Trade Theory
1. Economies of Scale
Defines cost benefits stemming from large-scale production, which consequences for international trade dynamics.
Trade enhances consumer choices and can lower average product costs.
Industries with major economies of scale may only support a limited number of firms due to high market demands.
2. Product Variety & Cost Reduction
Without trade, national markets are confined in both variety and production scale due to limited domestic demand.
With trade, the compound market size allows for greater variety and reduced operational costs across nations.
3. First-Mover Advantages
These advantages accrue to entities first entering new markets, establishing precedents and efficiencies that later competitors find hard to replicate.
4. Implications of New Trade Theory
Trade benefits can materialize irrespective of distinct differences in resource availability or technological proficiency.
Initial production advantages may arise purely from luck or early entrepreneurship, highlighting a considerable aspect of trade patterns in global markets.
National Competitive Advantage: Porter’s Diamond
1. Key Insights
Michael Porter proposed that prior theories did not fully elucidate why countries succeed in specific industries. He identified four core attributes influencing competitive potential:
Factor endowments: Basic and advanced factors contributing to industrial business success.
Demand conditions: Robust domestic consumer demand that pressures firms towards higher quality and innovation.
Related and supporting industries: The benefit from investments in advanced factors spilling into adjacent sectors leading to a competitive edge.
Firm strategy, structure, and rivalry: Divergence in managerial ideologies and domestic competition dynamics.
2. The Interconnectedness of the Diamond
The attributes interact to support competitive industry environments.
Two additional variable influences identified: chance events and governmental influence.
3. Factor Categories Explained
Basic Factors: Include natural resources, geography, demographics.
Advanced Factors: Incorporate advanced communication systems, skilled labor force, and government investments in R&D.
4. Demand Conditions Explored
Firms gain an edge in internationally competitive markets when their domestic consumers are sophisticated and demanding.
Companies benefit from advancements in connected industries, enhancing their competitive standings.
5. Firm Rivalry and Strategy
Nations reflect diverse management ideologies impacting competitive advantage outcomes.
Strong domestic competition correlates positively with sustained competitive advantages in industries.
6. Evaluating Porter’s Theory
Government policies can influence the ecosystem of related industries and management competition through regulations affecting taxes and antitrust laws.
Empirical testing of Porter’s theory remains limited and sparse.
Managerial Implications
1. Location
From a profitability standpoint, firms must consider dispersing operations to countries that offer superior efficiency.
2. First-Mover Advantages
Investing significantly in early market entry offers the potential for substantial future gains.
3. Role of Government Policy
Porter advises investment in education, infrastructure, and fundamental research by governments to foster a competitive advantage.