This paper presents new causal evidence on the "power" of oral contraceptives in shaping women's lives, leveraging the 1970 liberalization of the Pill for minors in the Netherlands and demand- and supply-side religious preferences that affected Pill take-up. We analyze administrative data to...

This paper explores the contribution of biological factors in explaining gender differences in educational performance, with a particular focus on the role of prenatal testosterone. We exploit the fact that prenatal testosterone is hypothesized to transfer in-utero from a male twin to his twin...