We report the results of experiments designed to investigate the effects of random public revelation of individual choices on voluntary contributions to a public good. Varying the number of subjects whose contributions are made public, we find that public revelation always leads to higher...

This study examines the performance of stable cooperative coalitions that form to provide a public good when coalition members have the opportunity to not comply with their commitments. A stable coalition is one in which no member wishes to leave and no non-member wishes to join. To counteract...