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…

This case study addresses two major priorities of the Boston Foundation--health and education. Since the 2007 publication of the "Understanding Boston" report "The Boston Paradox: Lots of Health Care, Not Enough Health," the Boston Foundation has worked to draw attention to the epidemic of preventable chronic disease that not…