We present a simple model to illustrate how birthplace diversity may affect team performance. The model assumes that … team performance. To verify this prediction, we exploit self-collected data on the first division of German male soccer … different instrumental variable approaches to identify the effect of birthplace diversity on team performance. Our findings …

team choices, the detrimental performance impact of too much choice seems to be related to the implied cognitive burden and …

of positive effects emerge. With respect to takeovers of German companies by foreign investors, the productivity and … international, we find positive productivity and sales effects for relatively small companies investing abroad, and this …