International Economics Tenth Edition

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International Economics Tenth Edition
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Presentation transcript:

International Economics Tenth Edition CHAPTER F I V E 5 International Economics Tenth Edition Factor Endowments and the Heckscher-Ohlin Theory Dominick Salvatore John Wiley & Sons, Inc. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

In this chapter: Introduction Assumptions of the Theory Factor Intensity, Factor Abundance, and the Shape of the Production Frontier Factor Endowments and the Heckscher-Ohlin Theory Factor-Price Equalization and Income Distribution Empirical Tests of the Heckscher-Ohlin Model Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Extending trade model to include: Introduction Extending trade model to include: Basis of comparative advantage Effect of international trade on return to labor Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Assumptions of the Theory Heckscher-Ohlin theory based on following assumptions: Two nations, two goods, two factors of production Technology same in both nations Commodity X is labor intensive, commodity Y is capital intensive in both nations Constant returns to scale for X and Y in both nations Incomplete specialization in production in both nations Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Assumptions of the Theory Heckscher-Ohlin theory based on following assumptions: Tastes are equal in both nations Both commodities and factors are traded in perfectly competitive markets Perfect factor mobility within each nation, but not between nations No transportation costs, tariffs or other barriers to free trade. All resources are fully employed in both nations International trade between the nations is balanced. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor Intensity, Factor Abundance, and the Shape of the Production Frontier In a two-commodity, two factor world, commodity Y is capital intensive if the capital-labor ratio (K/L) used in the production of Y is greater than K/L used in the production of X. It is not the absolute amount of capital and labor used in production of X and Y, but the amount of capital per unit of labor that determines capital intensity. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-1 Factor Intensities for Commodities X and Y in Nations 1 and 2. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor Intensity, Factor Abundance, and the Shape of the Production Frontier In terms of physical units: Nation 2 is capital abundant if the ratio of the total amount of capital to the total amount of labor (TK/TL) available in Nation 2 is greater than that in Nation 1. It is not the absolute amount of capital and labor available in each nation, but the ratio of the total amount of capital to the total amount of labor. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor Intensity, Factor Abundance, and the Shape of the Production Frontier In terms of relative factor prices: Nation 2 is capital abundant if the ratio of the rental price of capital to the price of labor time (PK/PL) is lower in Nation 2 than in Nation 1. Rental price of capital is usually considered to be the interest rate (r), while the price of labor time is the wage rate (w), so PK/PL = r/w. It is not the absolute level of r that determines whether a nation is K-abundant, but r/w. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-2 The Shape of the Production Frontiers of Nation 2 is K-abundant, and commodity Y is K-intensive Nation 1 is L-abundant, and commodity X is L-intensive FIGURE 5-2 The Shape of the Production Frontiers of Nation 1 and Nation 2. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor Endowments and the Heckscher-Ohlin Theory Heckscher-Ohlin (H-O) theory is based on two theorems: 1. The H-O theorem A nation will export the commodity whose production requires the intensive use of the nation’s relatively abundant and cheap factor and import the commodity whose production requires the intensive use of the nation’s relatively scarce and expensive factor. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor Endowments and the Heckscher-Ohlin Theory Heckscher-Ohlin (H-O) theory is based on two theorems: 1. The H-O theorem In short, the relatively labor-rich nation exports the relatively labor-intensive commodity and imports the relatively Explains comparative advantage rather than assuming it. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-3 General Equilibrium Framework of the Heckscher-Ohlin Theory. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-4 The Heckscher-Ohlin Model. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor-Price Equalization and Income Distribution Heckscher-Ohlin (H-O) theory is based on two theorems: 2. The factor price equalization theorem International trade will bring about equalization in the relative and absolute returns to homogenous factors across nations. In short, wages and other factor returns will be the same after specialization and trade has occurred. Holds only if H-O theorem holds. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor-Price Equalization and Income Distribution Heckscher-Ohlin (H-O) theory is based on two theorems: 2. The factor price equalization theorem International trade causes w to rise in Nation 1 (the low-wage nation) and fall in Nation 2. (the high-wage nation), reducing the pretrade difference in w between nations. Similarly, trade causes r to fall in Nation 1 (the K-expensive nation) and rise in Nation 2. (the K-cheap nation), reducing the pretrade difference in r between nations. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor-Price Equalization and Income Distribution Heckscher-Ohlin (H-O) theory is based on two theorems: 2. The factor price equalization theorem Thus, international trade causes a redistribution of income from the relatively expensive (scarce) factor to the relatively cheap (abundant) factor. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-5 Relative Factor–Price Equalization. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Factor-Price Equalization and Income Distribution Specific Factors Model Trade will: have an ambiguous effect on a nation’s mobile factors, benefit the immobile factors specific to a nation’s export commodities or sectors, and harm the immobile factors specific to a nation’s import-competing commodities or sectors. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Empirical Tests of the Heckscher-Ohlin Model The Leontief Paradox A 1951 test of the H-O theory Showed that the pattern of trade did not fit the conclusions of the H-O theorem. Exports in the U.S. seemed to be labor intensive when they should have been capital intensive. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

Empirical Tests of the Heckscher-Ohlin Model Source of the Leontief Paradox Bias Assumed a two factor world which required assumptions about what is capital and what is labor. Most heavily protected industries in U.S. were L- intensive, reduced imports and increased domestic production of L-intensive goods. Only physical capital included as capital, ignoring human capital (education, job training, skills). Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-6 Comparative Advantage with Skills and Land. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

The Edgeworth Box Diagram for Nation 1 and Nation 2–Once Again Appendix to Chapter 5 The Edgeworth Box Diagram for Nation 1 and Nation 2–Once Again Formal Proof of the Factor–Price Equalization Theorem Specific-Factors Model Factor-Intensity Reversal Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-7 The Edgeworth Box Diagram for Nation 1 and Nation 2–Once Again. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-8 Formal Proof of the Factor–Price Equalization Theorem. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-9 Specific-Factors Model. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.

FIGURE 5-10 Factor-Intensity Reversal. Salvatore: International Economics, 10th Edition © 2010 John Wiley & Sons, Inc.