This paper examines the economic effects of employment protection legislation in a sample of developed and developing countries. By implementing a difference-in-differences test, we lessen the potentially severe endogeneity and omitted variable problems associated with cross-country regressions....

This paper estimates the elasticity of substitution of U.S. imports using detailed trade data over the 1990-2003 period. The authors use a two-stage least squares framework in order to identify the elasticity parameter of interest. The authors use the elasticity estimates to assess the extent to...