The effect of marriage on productivity and wages has been long debated. A difficulty in estimating the effect of marriage on productivity is the lack of data that contain measures of both marital status and exogenous productivity. We fill this gap by using a sample of professional athletes from...

This paper builds upon Cunha's (2015) subjective rationality model in which parents have a subjective belief about the impact of their investment on the early skill formation of their children. We propose that this subjective belief is determined in part by locus of control (LOC), i.e., the...

The emergence of competition is a defining aspect of human nature and characterizes many important social environments. However, its relationship with how social groups are formed has received little attention. We design an experiment to analyze how individuals' willingness to compete is...