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International Economic Relations Econ 548 Summer 2007

International Economic Relations Econ 548 Summer 2007. William J. Polley Department of Economics College of Business and Technology Western Illinois University. Trade theory through the years…. Mercantilism Adam Smith David Ricardo Comparative advantage Heckscher-Ohlin Theorem

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International Economic Relations Econ 548 Summer 2007

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  1. International Economic RelationsEcon 548 Summer 2007 William J. Polley Department of Economics College of Business and Technology Western Illinois University

  2. Trade theory through the years… • Mercantilism • Adam Smith • David Ricardo • Comparative advantage • Heckscher-Ohlin Theorem • More recent developments

  3. Heckscher-Ohlin • Assumptions • 2 countries, 2 goods (sectors), 2 factors • Factors are in fixed amounts, mobile across sectors, immobile across countries • Identical consumer tastes and production technologies • Constant returns to scale

  4. Heckscher-Ohlin • Theorem: A country has a comparative advantage in the good that makes relatively intensive use of the relatively abundant factor.

  5. Factor Price Equalization • Under HO assumptions, free trade induces equalization of wages and capital rental rates across countries.

  6. Stolper-Samuelson Theorem • An increase in the price of the labor intensive good will increase the wage relative to the prices of both goods and reduce the capital rental rate relative to the prices of both goods. • The reverse is also true.

  7. Rybczynski Theorem • Given prices, an increase in labor will increase output of the labor intensive good more than proportionally and reduce the output of the capital intensive good. • Similarly for an increase in capital.

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