Is Being in School Better? The Impact of School on Children’s BMI When Starting Age is Endogenous
This paper discusses the impact of early elementary school attendance on children’s body weight. Using data from the Early Childhood Longitudinal Study–Kindergarten Cohort of 1998 (ECLS-K), researchers compared the weights of children who had completed first grade to those of the same age who had completed kindergarten only. Employing a regression-discontinuity (RD) design, researchers found More