We develop a general equilibrium model of technological change and migration to examine the effects of a change in skill endowments on wages, employment rates and emigration rates of skilled and unskilled workers. We find that, depending on the elasticity of substitution between skilled and...

We analyze differences in unemployment between natives and immigrants over the business cycle. Using matched employer-employee data for Austria, we find that immigrants' unemployment rate and flows into and out of unemployment are significantly more sensitive to labor market shocks than those of...

This paper investigates the effectiveness of immigration control policies when the duration of stay of illegal immigrants is endogenous because they may return home voluntarily. It shows that return intentions matter. First, we find that spending on border enforcement can potentially increase...

This paper develops a model to analyze the effects of immigration by skill on the outcome of a majority vote among natives on both the size as well as the composition of public spending. Public spending can be of two types, spending on rival goods (transfers) and on non-rival goods (public...