We provide the first empirical application of a new approach proposed by Lee (2007) to estimate peer effects in a linear-in-means model. This approach allows to control for group-level unobservables and to solve the reflection problem. We investigate peer effects in student achievement in...

This article studies the interaction between two individual decisions in the context of sexually transmitted diseases: on the one hand, the choice the of risk level, on the other hand, the decision to get tested. Our angle here is economic epidemiology, which aims at identifying the essential...