This paper analyzes potential gender differences in competitive environments using a sample of over 100,000 professional tennis matches. We focus on two phenomena of the labor and sports economics literature: the hot-hand and clutch-player effects. First, we find strong evidence for the hot-hand...

Using 4,279 episodes of the popular US game show Jeopardy!, we analyze whether the opponents' gender is able to explain the gender gap in competitive behavior. Our findings indicate that gender differences disappear when women compete against men. This result is surprising, but emerges with...

This paper analyzes potential gender differences in competitive environments using a sample of over 100,000 professional tennis matches. We focus on two phenomena of the labor and sports economics literature: the hot-hand and clutch-player effects. First, we find strong evidence for the hot-hand...

We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...

We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...

This chapter focuses on the effects of skilled migration on developing countries. We first present new evidence on the magnitude of the -brain drain- at the international level. Using a stylized model of education investment in a context of migration, we then survey the theoretical and empirical...