A controversial issue in the US is how to reduce the number of illegal immigrants and what effect this would have on the US economy. To answer this question we set up a two-country model with search in labor markets and featuring legal and illegal immigrants among the low skilled. We calibrate...

Recessions are times when the quality of the unemployment pool is lower, because entry into unemployment is biased in favor of low-productivity workers. I develop a search and matching model with worker heterogeneity and endogenous separations that has this feature. I show that in a recession a...

We analyze the impact of immigration on the host country within a search and matching model that allows for skill heterogeneity, endogenous skill acquisition, differential search cost between immigrants and natives, capital-skill complementarity and different degree of substitutability between...

This paper examines the cyclical properties of employment rates in a search and matching model that features heterogeneous workers and jobs. Firms can create vacancies for jobs that that require either a high- or a low-skill level. High-skill workers are best suited for high-skill jobs, but are...

We analyze the impact of the skill-biased immigration influx that took place during the years 2000-2009 in the United States, within a search and matching model that allows for skill heterogeneity, differential search cost between immigrants and natives, capital-skill complementarity and...