In response to the dramatic rise in childhood obesity, the Centers for Disease Control (CDC) and other organizations have advocated increasing the time that elementary school children spend in physical education (PE) classes. However, little is known about the effect of PE on child weight. This paper measures that effect by instrumenting for child…

Previous studies of the relationship between body weight and wages have found mixed results. This paper uses a larger data set and several regression strategies in an attempt to generate more consistent estimates of the effect of weight on wages. Differences across gender, race, and ethnicity are explored. This paper finds that weight lowers wages…

In examining the childhood obesity epidemic from the perspective of economics, John Cawley looks at both possible causes and possible policy solutions that work through markets. The operation of markets, says Cawley, has contributed to the recent increase in childhood overweight in three main ways. First, the real price of food fell. In…