Using a controlled experiment, we examine the role of nurture in explaining the stylized fact that women shy away from competition. We have two distinct research questions. First, does the gender composition of the group to which a student is randomly assigned affect competitive choices? Second,...

People typically update their beliefs about their own abilities too little in response to feed-back, a phenomenon known as "conservatism", and some studies suggest that they overweight good relative to bad signals ("asymmetry"). We measure individual conservatism and asymmetry in three tasks...