"The Routledge International Handbook of Critical Issues in Health and Illness is a multidisciplinary reference book that brings together cutting-edge health and illness topics from around the globe. It offers a range of theoretical and critical perspectives to provide contemporary insights into...

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 Adolescent Longitudinal Health Survey (Add Health) to construct two network...