Many people care about how they are perceived by those around them. A number of recent field experiments in economics have found that such social image concerns can have powerful effects on a range of behaviors. In this paper, we first review this recent literature aimed at identifying social...

When effort is observable to peers, students may act to avoid social penalties by conforming to prevailing norms. To test for such behavior, we conducted an experiment in which 11th grade students were offered complimentary access to an online SAT preparatory course. Signup sheets differed...