In this study, we quantify the role of foreign-born founders in high-tech entrepreneurship in a nationally representative sample of rapidly growing "high-impact" companies. This class of companies drives job creation and aggregate growth in the U.S. We find that, while most previous studies have...

Immigrants may complement native workers, increase productivity, allow specialization by skill in the firm and lower costs. These effects could be beneficial for the firm and increase its productivity and profits. However not all firms use immigrants. Allowing firms to have differential fixed...

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,...