This dissertation consists of three chapters on the economic determinants of health, specifically those related to the pathways of nutrition and government nutrition assistance policy. I evaluate the Community Eligibility Provision’s (CEP’s) effects on child weight outcomes in my first two chapters, a program that allows certain schools to offer universally free school meals to all students. My first chapter uses child-level data from a nationally representative survey which follows a single sample of children from Kindergarten to fifth grade. I use these data to identify the effect of attending a CEP school on outcomes of child weight. I find that CEP school attendance increases a child’s Body Mass Index (BMI) percentile score, decreases t...