Sex and birth order of siblings are important determinants of an adolescent's risky behaviour and economic outcomes in later age. Both parental choices and "peer-effect" are the two possible mechanisms investigated in the literature. This paper studies the "peer-effect" to show how gender of...

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....