In speedboat racing in Japan, women racers participate and compete in races under the same conditions as men, and all individuals are randomly assigned to mixed-gender or single-gender groups for each race. In this paper we use a sample of over 140,000 observations of individual-level racing...

We compare the performance of high-ability adolescent girls and boys who participated in a a long-running Korean television quiz show. We find there is a gender gap in performance - in favour of boys - across episodes of the quiz show. To investigate underlying mechanisms that might explain...