This paper attempts to bridge the gap between previous cross-national work estimating rates of return to education and the current trend toward examining rates over time. Changes in the returns to education in the 1980s over five countries were driven by different forces across the countries.

This paper provides an introduction and overview of my research on the Economics of Language. The approach is that language skills among immigrants and native-born linguistic minorities are a form of human capital. There are costs and benefits associated with this characteristic embodied in the...

We develop a new general equilibrium model of trade with heterogeneous firms, variable demand elasticities and endogenously determined wages. Trade integration favors wage convergence, intensifies competition, and forces the least efficient firms to leave the market, thereby affecting aggregate...