“...► Is competitiveness in women influenced by hormones? ► We use the menstrual cycle and contraceptive intake as proxies for hormonal fluctuations. ► Subjects...”

“...We examine whether social preferences are partially determined by biological factors. We do this by investigating whether digit ratios (2D:4D) and menstrual...”

“...Individual willingness to enter competitive environments predicts career choices and labor market outcomes. Meanwhile, many people experience competitive...”

“...We investigate individual heterogeneity in the tendency to under-respond to feedback (“conservatism”) and to respond more strongly to positive compared to...”

“...Men are generally found to be more willing to compete than women and there is growing evidence that willingness to compete is a predictor of individual and...”

“...A recent literature emphasizes that gender differences in the labor market may in part be driven by a gender gap in willingness to compete. However, whereas...”

“...•We conduct experiments with 3664 participants from India, Norway and Tanzania to study whether individual differences in competitiveness are related to...”

“...•We ask whether differences in preferences for competition can explain why gays earn less than other men and lesbians earn more than other women.•We conduct an...”

“..."Men are generally found to be more willing to compete than women and there is growing evidence that willingness to compete is a predictor of individual and...”