Previous studies on the spread of obesity in social networks have focused on the contemporaneous effect of peer weight outcomes on individuals. This article is the first to investigate the longer term effects, within adolescence and from adolescence into early adulthood, of peers on individual...

This article investigates the link between position in the birth order and early scholastic ability. Using matched mother-child data from the National Longitudinal Survey of Youth (1979 cohort, NLSY79), I find that being the first-born is beneficial even after controlling for (nonlinear) effects...