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 …

conflict makes national diversity more salient among existing and potential team members. I exploit this natural experiment to … team and led to the performance decline of existing joint projects. I provide evidence that the observed effects were not …