Using data on net exports and factor endowments for more than 100 countries, this paper studies the relationship between factor endowments and comparative advantage in 28 manufacturing sectors between 1975 and 2010. The authors allow for systematic technological differences across countries,...

We examine the impact of revocation of tariff exemptions on exports of developing countries, using data from the cases of Competitive Needs Limits (CNL) built into the Generalized System of Preferences (GSP). CNLs are arguably imposed on super competitive GSP beneficiaries and aim to limit their...

Using U.S. Census data for 1990-2000, we estimate effects of NAFTA on U.S. wages, focusing on differences by gender. We find that NAFTA tariff reductions are associated with substantially reduced wage growth for married blue-collar women, much larger than the effect for other demographic groups....

In principle, the U.S. Generalized System of Preferences (GSP) offers uniform market access to exports from eligible developing countries for a broad set of GSP-eligible products. In practice, realized GSP tariff-exemptions demonstrate marked variation across countries, industries, and years. In...