A widespread meal-serving system commonly blamed for contributing to the obesity epidemic is the all-you-can-eat buffet, where customers can help themselves to as much food as they wish to eat in a single meal for a fixed entry price. We set forth the hypothesis that buffet restaurants' practice...

Contrary to the traditional analysis of the employment effects of the minimum wage setting, the author shows that if compliance is contingent upon enforcement, complying with the minimum wage law involves a <italic>leftward shift</italic> of the labor demand curve rather than an upward movement along the curve....

Obsessive-compulsive disorder (OCD) is a mental syndrome characterized by intrusive thoughts that trigger some repetitive action the individual feels driven to perform in order to relieve the anxiety engendered by the disturbing thoughts. A natural measure for the severity of OCD is the duration...

A common belief is that the IRS pays tax informants 10% of whatever their tips produce in revenue. Actually, the bounty rate is even lower, averaging, in recent years, less than 2% of the amount of taxes and fines recovered. Why is it that the IRS is so tightfisted in rewarding informants who...