births on school grades using sibling fixed effect models which compare individuals with their non-preterm siblings. We test … for heterogeneous effects by degree of prematurity, as well as whether family socioeconomic resources and school …

We study within-family spillovers in college enrollment to show college-going behavior is transmissible between peers …. Because siblings' test scores are weakly correlated, we exploit college-specific admissions thresholds that directly affect … older but not younger siblings' college options. Older siblings' admissibility substantially increases their own four …