Baumol (1967) showed that the rate of growth of an economy slows down if a sector has lower productivity than others and the demand between goods is inelastic. This paper points out that trade is equivalent to technological progress in the tradable sector. Therefore an open economy has higher...

This paper examines the determinants of illegal immigration in the United States from Mexico from 1976 to 1995. The main challenge in the empirical work is that the observations are not the number of individuals that attempt to enter the United States illegally, but rather the number of...

This paper presents a test to discriminate among behaviors of producers of exhaustible resources. The behavior of a competitive producer of an exhaustible resource should follow an Euler equation. The existence of futures markets allows us to sidestep the difficult issues related to estimating...