The purpose of the dissertation is to study the role of market structure and education policy on the efficiency and distribution outcomes in the U.S. college market. Through economic modeling and empirical analysis, I aim to assess the effectiveness of existing and potential education policies in enhancing human capital while ensuring equity in access to high-quality education. The dissertation consists of two chapters. In the first chapter, I study the effects of college market power and Federal financial subsidy on the market equilibrium outcomes and the distribution of economic surplus, using a structural model that incorporates heterogeneous students\u27 demand for college and supply-side endogenous pricing decisions. The model is estim...