It is well established that boys perceive themselves to be better in mathematics than girls, even when their ability is … the same. We examine the drivers of this male overconfidence in self-assessed mathematics ability using a longitudinal … exploit the random assignment of the sex of one's co-twin. Using measures of individual self-assessment in mathematics from …

We find that mathematics skills have a stronger relationship to university performance than verbal skills. While both … are predictive of degree completion and class of degree obtained, mathematics skills have a larger effect, and are …

and the gender test score gap in mathematics. We employ a novel two-stage empirical strategy in which the first stage … involves decomposing the gender mathematics gap into a part that is explained by gender differences in observable …