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...

This paper establishes a causal link between the emigration of skilled workers and firm performance in source countries. Using firm-level panel data from ten Eastern European countries, we show that the emigration of skilled workers lowers firm total factor productivity. We exploit time,...

This paper uses novel data on the migration of European startups to the United States to understand Europe's main disadvantages in startup performance. I use positive sorting in migration as an identification strategy: because of positive sorting, the simple cross-sectional comparison gives an...