In this book, the author explores a broad range of topics within the domain of the economics of gender, health and happiness. The first chapter provides the motivations for the studies and summarizes the main findings. The second chapter documents differences in educational attainment, labor market outcomes and childbearing among women by their use of headscarves and investigates the impact of the headscarf ban in Turkey on women’s educational attainment, labor force participation and childbearing decisions. In Chapter 3, the author explores the relationship between presumed consent legislation and various organ donation indicators such as willingness to donate one’s organs, organ donation card holding, actual organ donation rates and kidney transplantation rates. The last chapter looks at the relationship between pro-social behavior and subjective wellbeing and tries to quantify the happiness effect of donating in the Netherlands.