Single-sex classes within coeducational environments are likely to modify students' risk-taking attitudes in … economically important ways. To test this, we designed a controlled experiment using first year college students who made choices … over real-stakes lotteries at two distinct dates. Students were randomly assigned to classes of three types: all female …

Single-sex classes within coeducational environments are likely to modify students' risk-taking attitudes in … economically important ways. To test this, we designed a controlled experiment using first year college students who made choices … over real-stakes lotteries at two distinct dates. Students were randomly assigned to classes of three types: all female …

. Finally, male teenagers and college students wager substantially less when competing against females. In turn, the gender of … 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 measure competitiveness via the likelihood of (i) winning an …