The aim of this work is to evaluate the effects of two soft drink policies (soft drink taxes and restricting vending machine access in schools) on child and adolescent soft drink consumption and body weight. Investigators will use a ‘natural experiment’ design by leveraging state and time variation in these soft drink policies combined with three large, nationally representative datasets that contain information on state of residence, soft drink consumption, body mass index (BMI), and a rich set of socio-demographic variables. These econometric analyses will focus specifically on influences among at-risk populations, including individuals in low income communities and racial/ethnic minorities.