Does a high regional concentration of immigrants of the same ethnicity affect immigrant children's acquisition of host-country language skills and educational attainment? We exploit the exogenous placement of guest workers from five ethnicities across German regions during the 1960s and 1970s in...

In recent years, Europe has experienced a large influx of refugees. While natives' attitudes toward refugees are decisive for the political feasibility of asylum policies, little is known about how these attitudes are shaped by information about refugees' characteristics. We conducted a survey...

To investigate the effects of reducing the intensity of tracking, this study exploits reforms across German states which combined the two lower secondary school tracks, sometimes additionally offering the possibility to acquire a university entrance qualification. Using a...

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...