Approximately half of credit card holders in the United States regularly carry unpaid credit card debt. These so-called quot;revolversquot; exhibit payment behavior that differs from that of those who repay their entire credit card balance every month. Previous literature has focused on the...

Approximately half of credit card holders in the United States regularly carry unpaid credit card debt. These so-called "revolvers" exhibit payment behavior that differs from the behavior of those who repay their entire credit card balance every month. So far there has been no empirical analysis...

We test the effectiveness of self-help peer groups as a commitment device for precautionary savings, through two randomized field experiments among 2,687 microentrepreneurs in Chile. The first experiment finds that self-help peer groups are a powerful tool to increase savings (the number of...