Self-control problems have recently received considerable attention from economic theorists. We conducted two studies to test the benefits of externally imposed deadlines and how willpower depletion affects behavior, providing some of the first data in these areas. Each study involved a...

We report the results of a randomized controlled trial testing whether incentivizing physical exercise improves the academic performance of college students. As expected, the intervention increases physical activity. The main result is that it generates a strong and significant improvement in...