Use of tertiary healthcare by socially proximate peers helps individuals learn about program and treatment procedures, signals that using such care is socially appropriate, and can support use of formal healthcare, all of which could increase program utilization. Using complete administrative...

This paper uses random assignment of students to investigate the impact of study groups and roommates on academic achievement. We find that informal social interaction with roommates has a significant positive impact on academic achievement while study group peers have no discernible impact, a...