Recent studies find that women are less competitive than men. This gender difference in competitiveness has been suggested as a possible explanation for why men occupy the majority of top positions in many sectors. In this study we explore competitiveness in children. A related field experiment...

Individuals differ significantly in their willingness to take risks. Such differences may stem, at least in part, from individual biological (genetic) differences. We explore how risk-taking behavior correlates with different versions of the dopamine receptor D4 gene (DRD4), which has been...