We present a simple model to illustrate how birthplace diversity may affect team performance. The model assumes that birthplace diversity increases the stock of available knowledge due to skill complementarities and decreases effciency due to communication barriers. The consequence of these two...

Fossil fuels have shaped the European economy since the industrial revolution. In this paper, we analyse the effect of coal and oil on long-run economic growth, exploiting variation at the level of European NUTS-2 and NUTS-3 regions over the last century. We show that an "oil invasion" in the...