The supply of women into senior management has changed little despite well-intentioned efforts. We argue that the … biggest effect is from supply-side factors that inhibit females' decision to enter competitions: Women are under …-confident about winning, men are over-confident; women are more risk averse than men in some settings; and, most importantly, women …

satisfaction and perception of the task's importance. When female managers, rather than male, deliver this feedback, the negative …