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...

Estimating the returns to migration from East to West Germany, this paper focuses on pre-migration employment dynamics, earnings uncertainty, and job change in the source region. Migrants are found to be negatively selected with respect to labor market outcomes, with a large drop in earnings and...

"This paper estimates the effects of immigration on wages of native workers at the national U.S. level. Following Borjas (2003) we focus on national labor markets for workers of different skills and we enrich his methodology and refine previous estimates. We emphasize that a production function...

Die Bekämpfung der Arbeitslosigkeit genießt oberste wirtschaftspolitische Priorität - dieser Feststellung wird kaum jemand widersprechen wollen. Eher scheiden sich die Geister an der Frage nach dem "wirklichen" quantitativen Ausmaß der Unterbeschäftigung, ihren Ursachen und welche...