Expectation‐driven fluctuations and welfare loss under free trade in two‐country models

Kazuo Nishimura, Alain Venditti and Makoto Yano

International Journal of Economic Theory, 2010, vol. 6, issue 1, 97-125

Abstract: This paper investigates the interlinkage in the business cycles based on expectation‐driven fluctuations of large‐country economies in a free‐trade equilibrium. We consider a two‐country, two‐good, two‐factor general equilibrium model with sector‐specific externalities. We show that some country's expectation‐driven fluctuations can spread throughout the world once trade opens even if the other country has determinacy under autarky. We thus prove that under free trade, globalization and market integration can have destabilizing effects on a country's competitive equilibrium. Finally, we characterize a configuration in which opening to international trade improves the stationary welfare at the world level but deteriorates the stationary welfare of the country that imports investment goods and exports consumption goods. We conclude that in opposition to the standard belief, international trade might not be beneficial to all trading partners in the long run.

Date: 2010
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