The Causes of and Gains from Intertemporal Trade

William Craighead and Norman C. Miller

The Journal of Economic Education, 2010, vol. 41, issue 3, 275-291

Abstract: The authors show how the causes of and the gains from current account imbalances can be integrated into undergraduate economics courses using the same pedagogical tools that are used to explain comparative advantage and the gains from trade. A nonzero current account provides a mechanism for intertemporal trade, and a country has a comparative advantage in present (or future) goods if its autarky real interest rate is below (or above) the world real interest rate. The authors explain why the intertemporal approach to the current account reaches different conclusions from the traditional approach regarding welfare effects. Also, the authors integrate alternative approaches for explaining the underlying cause(s) of nonzero current account balances.

Date: 2010
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DOI: 10.1080/00220485.2010.486732

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