This dissertation is a collection of three essays in Public Economics. The first chapter studies the optimal design of student loans as a lever to foster the inclusion of poor students in private colleges in Brazil. The second chapter delves into understanding the consequences of affirmative action as a tool to increase the participation of…

How much university students learn in their studies is highly debated and important to understanding the value of higher education. Yet, information on learning gains at this level are scarce. Our paper contributes to the debate by using unique data for Brazil to estimate absolute test score gains across various fields of study in higher education…