We study the role of morality in debt repayment, using an experiment with the credit card customers of a large Islamic bank in Indonesia. In our main treatment, clients receive a text message stating that “non-repayment of debts by someone who is able to repay is an injustice." This moral...

This paper studies the sources of suboptimal allocations observed in credit card repayments using a diagnostic laboratory experiment. Using a series of treatments, we present two main findings. First, suboptimal allocations persist in extremely simple choice environments. Particularly, neither...

"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...