Using a unique administrative level dataset from a large and diverse U.S. financial institution, we test the impact of rewards on credit card spending and debt. Specifically, we study the impact of cash-back rewards on individuals before and during their enrollment in the program. We find that...

The rapid proliferation of electronic payment media continues to change the way consumers shop and merchants sell goods and services. Many policymakers and economists agree that the digitization of payments is socially beneficial. However, there is considerable debate regarding the optimal...