Social interactions arguably provide a rationale for several important phenomena, from smoking and other risky behavior in teens to e.g., peer effects in school performance. We study social interactions in dynamic economies. For these economies, we provide existence (Markov Perfect Equilibrium...

This paper is a critical introduction to the new wave of economic literature on the effect of social interactions on individual behavior and aggregate economic outcomes. I refer to this research program, also known as new social economics, as the socioeconomic analysis of behavior, to...

Gender-differences in post-schooling skill investments play a central role in stratification processes. Yet little research has been devoted to explaining how these differences come about. This paperhelps to fill this gap by proposing and testing a job-investment model with social-interaction...

This paper examines whether the chances of job placements improve if unemployed persons are counselled by caseworkers who belong to the same social group, defined by gender, age, education, and nationality. Based on an unusually informative dataset, which links Swiss unemployed to their...

Social interactions are believed to have important consequences for labor market outcomes. Yet the growing literature has been forced to rely on indirect definitions of a network. We present what we believe to be the first evidence that is able to use direct information on the role of close...