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 that of those who repay their entire credit card balance every month. Previous literature has focused on the adoption of...

"A number of studies have pointed to various mistakes that consumers might make in their consumption-saving and financial decisions. We utilize a unique market experiment conducted by a large U.S. bank to assess how systematic and costly such mistakes are in practice. The bank offered consumers...