Time limits are a central component of recent welfare reforms and represent a substantial departure from previous policy. However, several recent studies suggest that they have had no effect on welfare use. In this paper I attempt to reconcile those findings with results from Grogger and...

Violence in and around schools has drawn increasing attention lately from both the public and policy makers. Despite the importance of the problem, however, research on this topic has been limited. In this paper I analyze how local violence affects high school graduation, college attendance, and...

Youth crime is widespread. To study the effect of market wages on youth crime, I analyze a time-allocation model in which consumers face parametric wages and diminishing marginal returns to crime. Under these assumptions, an individual who works will commit crime if the returns to the first hour...

This study investigates how being exposed to a field of study influences students' major choices. We exploit a natural experiment at a Swiss university where all first-year students face largely the same curriculum before they choose a major. An important component of the first-year curriculum...

This study investigates how exposure to an academic field influences students major choices. In particular, we analyze whether students who are inclined to study business change their intentions after being exposed to economics or law. We exploit a natural experiment at a Swiss university. All...

To combat a growing obesity problem, Mexico imposed a nationwide tax on drinks with added sugar, popularly referred to as a "soda tax," effective January 2014. Since the tax took effect nationwide, there is no conventional control group that can be used as a baseline to estimate how the tax...