Studying competitiveness and risk-taking among Jeopardy! contestants in the US, this paper analyzes whether and how gender differences emerge with age and by gender of opponent. Our samples contain 186 children (aged 10-12), 310 teenagers (aged 13-17), and 299 undergraduate college students. We...

We look at gender differences in preferences for altruism, risk and competition in math and word search among adolescents in Sweden. We find that girls are more altruistic and less risk taking than boys. We find no gender gap in performance change when comparing performance under non-competition...