This paper explores the relationship between the minimum wage, the structure of employee compensation, and worker welfare. We advance a conceptual framework that describes the conditions under which a minimum wage increase will alter the provision of fringe benefits, alter employment outcomes,...

We exploit data from middle schools in Seoul, South Korea, where students and teachers are randomly assigned to classrooms, and find that female students taught by a female versus a male teacher score higher on standardized tests compared to male students even five years later. We also find that...

Obesity among children is an important public health concern, and social networks may play a role in students' habits that increase the likelihood of being overweight. We examine data from South Korean middle schools, where students are randomly assigned to classrooms, and exploit the variation...

We examine the impact of the Great Recession on charitable giving. We find sharp declines in overall donative behavior that is not accounted for by shocks to income or wealth. These results suggest that overall attitudes towards giving changed over this time period

Gender disparities in academic performance may be driven in part by the interaction of teacher and student gender, but systematic sorting of students into classrooms makes it difficult to identify causal effects. We use the random assignment of students to Korean middle school classrooms and...

A major concern with addressing the negative externalities of gasoline consumption by regulating fuel economy, rather than increasing fuel taxes, is that households respond by driving more. This paper exploits a discrete threshold in the eligibility for Cash for Clunkers to show that fuel...