We investigate the effect of peer group composition on language improvement in language classes for adults. Using unique survey data of migrants participating in an intensive language course in Germany, we find that the age and skill composition of groups affect skill acquisition as assessed by...

Using the Children of the Immigrants Longitudinal Study (CILS), we examine the association between education at the intensive margin and twenty pecuniary and non-pecuniary adult outcomes among first- and second-generation American immigrant youth. Education at the intensive margin is measured by...

This paper examines how skills are shaped by social interactions in families. We show that older siblings causally affect younger sibling's education choices and early career earnings. We focus on critical course choices in high school and overcome the identification challenges of estimating...

This paper provides evidence of a novel facet of peer effects by showing how peer personality affects educational achievement. We exploit random assignment of students to university sections and find that students perform better in the presence of more persistent peers and more risk-averse...