A new general-equilibrium model that links together rural-to-urban migration, the externality effect of the average level of human capital, and agglomeration economies shows that in developing countries, unrestricted rural-to-urban migration reduces the average income of both rural and urban...

Illegal migrants supply a valuable productive input: effort. But their status as illegals means that these migrants face a strictly positive probability of expulsion. A return to their country of origin entails reduced earnings when the wage at origin is lower than the wage at destination. This...

This paper provides a novel explanation of 'educated unemployment,' which is a salient feature of the labor markets in a number of developing countries. In a simple job-search framework we show that 'educated unemployment' is caused by the perspective of international migration, that is, by the...

Quite often, migrants appear to exert little effort to absorb the mainstream culture and to learn the language of their host society, even though the economic returns (increased productivity and enhanced earnings) to assimilation are high. We show that when interpersonal comparisons affect...

A framework that yields different possible patterns of migration as optimal solutions to a simple utility maximization problem is presented and explored. It is shown that seasonal migration arises as an optimal endogenous response to a comparison of costs (of living and of separation) and...

This paper is devoted to an analysis of the 2002 National Census data regarding immigration to Poland and some aspects of emigration from Poland. The paper presents a detailed discussion on emigration and the role of migrant networks in the process of inflow and outflow; the impact of migration...