The literature shows that males react more favorably than females to competitive incentives. This well-known result, however, is based on experiments in which participants engage in only a one-shot contest. We conduct a series of math contests in elementary schools which are similar to past...

We investigate the economic value of a law degree and find that for most law school graduates, the present value of a law degree typically exceeds its cost by hundreds of thousands of dollars. The median and 25th-percentile earnings premiums justify enrollment. We track lifetime earnings of a...

Bankruptcy rates vary tremendously across states, and it is not obvious why. The number of candidate explanations is large relative to the number of states. To overcome this problem, we use zip-code-level data to identify the importance of demographic variables using within-state variation. This...