For example, Sullivan believes that testosterone gives men a competitive edge in business because it is has been linked with risk-taking. He even suggests that women might take testosterone to level the playing field. This exactly tracks the highest testosterone levels with lowest winning. The men show off - but the women decide, no, I won't take any action now. The men scream and shout, they tend to be overconfident.
Women assess the situation more realistically.
Third, men take more risks. It is far too easy to say that men, being more competitive, will outperform women. It's evolution's way of encouraging the wandering mate to stay home. But that is evolutionary speculation, at best. The article doesn't say.