I apply Ricardo’s principle of comparative advantage to a theory of factor substitutability in a model with a continuum of worker and job types. Highly skilled workers have a comparative advantage in complex jobs. The model satisfies the distance-dependent elasticity of substitution (DIDES)...

Considering immigrant earnings in the context of post-arrival human capital investment implies: cohort quality should be defined in terms of the present value of the whole earnings profile; and, an appropriate definition of macro effects is obtained using the earnings profile of the native born...

Over the last two decades Mexico has had an open trade regime, experienced macroeconomic stability, and made substantial progress in education. However, average workers¿ earnings have stagnated and earnings for workers with more schooling have declined, compressing the earnings distribution and...