International student exchange has become an important part of university-level studies and the EU plans to increase it significantly. We analyze how international student exchange affects students’ academic human capital. Using detailed student-level data from four faculties (Economics and...

We study the long-run implications of regional and ethnic favoritism in Africa. Combining geocoded individual-level survey data from the Demographic and Health Survey (DHS) with data on national leaders’ birthplaces across 41 African countries, we explore the educational attainment of adults...

This paper shows that inventors with an early patenting success have a higher inventive productivity during their remaining career. We use European patent data for a period of 32 years for 1240 German inventors. The patent data are linked with survey data that provide information on an extensive...

Against a background of increasing violence against non-natives, we estimate the effect of hate crime on refugees’ mental health in Germany. For this purpose, we combine two datasets: administrative records on xenophobic crime against refugee shelters by the Federal Criminal Office and the...

We study, theoretically and empirically, the effects of incentives on the self-selection and coordination of motivated agents to produce a social good. Agents join teams where they allocate effort to either generate individual monetary rewards (selfish effort) or contribute to the production of...

We study response behavior in surveys and show how the explanatory power of selfreports can be improved. First, we develop a choice model of survey response behavior under the assumption that the respondent has imperfect self-knowledge about her individual characteristics. In panel data, the...

Children with lower socioeconomic status (SES) tend to benefit more from early child care, but are substantially less likely to be enrolled. We study whether reducing behavioral barriers in the application process increases enrollment in child care for lower-SES children. In our RCT in Germany...

We unbox developments in artificial intelligence (AI) to estimate how exposure to these developments affect firm-level labour demand, using detailed register data from Denmark, Portugal and Sweden over two decades. Based on data on AI capabilities and occupational work content, we develop and...

We analyze trends in labor-market returns to psychological traits using data from half a million Finnish men from 2001 to 2015. Cognitive skills' value declined, while noncognitive skills' value increased. Our novel findings show that extraversion drives this rise, while conscientiousness...