contraceptives to determine the importance of sex hormones in explaining gender differences in competitiveness. Participants in a … laboratory experiment solve a simple arithmetics task first under a piece rate and then under a competitive tournament scheme … whether women select into the competitive environment. The observed patterns are consistent with a negative impact especially …

Allowing for a free choice of the recipient's gender in a dictator game (N = 508), we find that women show a … substantial gender biased towards females. Adding a charity recipient to the possible choices, the charity becomes the primary … recipient and overall transfers increase. Yet, conditioning on transfers to fellow students the gender bias of women remains …

This paper investigates how high school gender composition affects students' participation in STEM at college. Using … Danish administrative data, we exploit idiosyncratic within-school variation in gender composition. We find that having a … larger proportion of female peers reduces women's probability of enrolling in and graduating from STEM programs. Men's STEM …