Globalization and Individual Gains from Trade
University of Quebec at Montreal (UQAM) - Department of Economics
CEPR Discussion Paper No. DP7448
We analyze the impact of globalization on individual gains from trade in a general equilibrium model of monopolistic competition featuring product diversity, pro-competitive effects and income heterogeneity between and within countries. We show that, although trade reduces markups in both countries, its impact on variety depends on their relative position in the world income distribution: product diversity in the lower income country always expands, while that in the higher income country may shrink. When the latter occurs, the richer consumers in the higher income country may lose from trade because the relative importance of variety versus quantity increases with income. We illustrate this effect using data on GDP per capita and population for 186 countries, as well as parameter estimates for domestic income distributions. Our results suggest that U.S. trade with countries of similar GDP per capita makes all agents in both countries better off, whereas trade with countries having lower GDP per capita may adversely affect up to 11% of the U.S. population.
Number of Pages in PDF File: 32
Keywords: general equilibrium, income heterogeneity, monopolistic competition, pro-competitive effects, product diversity
JEL Classification: D43, F12, F15working papers series
Date posted: October 7, 2009
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