In this paper, we assess the role of skilled versus unskilled migration for bilateral trade using a flexible reduced-form model where the stocks of skilled and unskilled migrants at the country-pair level are determined as endogenous continuous treatments. The impact of different levels of...

This paper considers the semiparametric identification of endogenous and exogenous peer effects based on group size variation. We show that Lee (2006)’s linear-in-means model is generically identified, even when all members of the group are not observed. While unnecessary in general,...

There are few studies on occupational choices in Germany, and second-generation occupational choice and mobility is even less investigated. Such research is important because occupations determine success in the labour market. In a country like Germany occupations also reflect a general...

This paper studies the hiring and firing decisions of firms and their effects on firm value. This is done in an environment where the productivity of workers depends on how well they match with their co-workers and the firm acts as a coordinating device. Match quality derives from a production...

We quantify the importance of family background and neighborhood effects as determinants of criminal convictions and incarceration by estimating sibling and neighborhood correlations. At the extensive margin, factors common to siblings account for 24 percent of the variation in criminal...