Using data from multiple-period math competitions, we show that males outperform females of similar ability during the first period. However, the male advantage is not found in any subsequent period of competition, or even after a two-week break from competition. Some evidence suggests that...

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...

"Using data from multiple-period math competitions, we show that males outperform females of similar ability during the first period. However, the male advantage is not found in any subsequent period of competition, or even after a two-week break from competition. Some evidence suggests that...

The empirical literature on Affirmative Action (AA) in college admissions tends to ignore the effects admissions policies have on incentives of students to invest developing pre-college human capital. We explore the incentive effects of AA using a field experiment that creates a microcosm of the...

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...