Despite the urgent public health implications, relatively little is yet known about the effect of peers on adolescent weight gain. We describe trends and features of adolescent BMI in a nationally representative dataset and document correlations in weight gain among peers. We find strong...

We employ a standard identification strategy from the peer effects literature to investigate the importance of network definitions in estimation of endogenous peer effects. We use detailed information on friends in the National Longitudinal Study of Adolescent Health Survey (Add Health) to...

Due to the large social costs of juvenile crime, policymakers have long been concerned about its causes. In the 2009-10 school year, the State of Hawaii responded to fiscal strains by furloughing all school teachers employed by the Department of Education and canceling class for seventeen...

Policymakers have long been concerned about the large social costs of juvenile crime. Detecting the causes of juvenile crime is an important educational policy concern as many of these crimes happen during the school day. In the 2009–10 school year, the State of Hawaii responded to fiscal...

Due to the large social costs of juvenile crime, policymakers have long been concerned about its causes. In the 2009-10 school year, the State of Hawaii responded to fiscal strains by furloughing all school teachers employed by the Department of Education and canceling class for seventeen...