This paper develops a two-country model of international migration in an attempt to study the role of both qualitative and quantitative restrictions on international labor mobility. Individuals are distinguished in terms of their ability and age, enabling the model to examine factors that...

This paper develops a two-period, two-country model of trade in exhaustible resources. It investigates the role of intertemporal consumption substitution in determining whether international asymmet ries in terms of relative resource endowments or rates of time prefer ence have a greater...

This paper studies the effects of illegal immigration and the associated expansion of the underground economy on the allocation of resources, commodity prices, and wages of workers, both in the short run (when occupational mobility is restricted) and in the long run (when the skill-composition...