Using matched employer-employee data, we analyse the impact of immigrants on natives' employment in Portugal. Using different model specifications, we show that the natives and immigrants are 'complements' at most occupation levels, in the sense that they are jointly hired and fired. Controlling...

This paper uses the Austrian Social Security Register (ASSD) to explore what information firms infer from the three common types of displacement: individual layoffs, individuals displaced due to a closure and individuals displaced due to a mass layoff. I bring together two strands of the...

This paper presents a short overview of dynamic models of labor markets with transaction costs. It shows that these models have deeply renewed the understanding of job search, job flows, job creations and destructions, unemployment and wage formation. It argues that this renewal provides a very...