We use data from three waves of Add Health to study the short- and long-run effects of high school peers' genetic predisposition to high BMI – measured by grade-mates' average BMI polygenic scores – on adolescent and adult obesity in the U.S. We find that, in the short-run, a one standard...

We use data from three waves of Add Health to study the short- and long-run effects of high school peers' genetic predisposition to high BMI - measured by grade-mates' average BMI polygenic scores - on adolescent and adult obesity in the U.S. We find that, in the short-run, a one standard...

Utilizing comprehensive administrative data from Brazil, we investigate the impact of peer effects on wages, considering both within-gender and cross-gender dynamics. Since the average productivity of both individuals and their peers is unobservable, we estimate these values using worker fixed...