In this paper, we examine the heterogeneous treatment effects of a universal child care (preschool) program in Germany by exploiting the exogenous variation in attendance caused by a reform that led to a large staggered expansion across municipalities. Drawing on novel administrative data from...

This paper provides a comprehensive analysis of refugee migration, with emphasis on the current refugee crisis. After first reviewing the institutional framework laid out by the Geneva Convention for Refugees, we demonstrate that, despite numerous attempts at developing a common European asylum...

This paper provides an introduction into the estimation of Marginal Treatment Effects (MTE). Compared to the existing surveys on the subject, our paper is less technical and speaks to the applied economist with a solid basic understanding of econometric techniques who would like to use MTE...

Existing evidence on peer effects in a work environment stems from either laboratory experiments or from real-word studies referring to a specific firm or specific occupation. Yet, it is unclear to what extent these findings apply to the labor market in general. In this paper, therefore, we...

Existing evidence on peer effects in a work environment stems from either laboratory experiments or from real-word studies referring to a specific firm or specific occupation. Yet, it is unclear to what extent these findings apply to the labor market in general. In this paper, therefore, we...