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...

"This book provides a comprehensive introduction to significant U.S. health policy controversies, including Democratic and Republican responses to the coronavirus pandemic. It explores partisan divisions, major challenges, and policy preferences of key Democratic and Republican stakeholders."