The focus on efficiency costs in the empirical literature on Disability Insurance (DI) provides a misleading view of the adequacy of payment levels. In order to evaluate whether workers are over- or under-insured through the social insurance program, we develop a framework that allows us to...

We explore the role that physicians play in moderating compliance with recommended vaccinations. Using administrative data on the universe of Danish children and their healthcare providers, we first construct and validate a measure of providers' propensities to comply with recommended...

Schools often track students to classes based on ability. Proponents of tracking argue it is a low-cost tool to improve learning since instruction is more effective when students are more homogeneous, while opponents argue it exacerbates initial differences in opportunities without strong...