Using data from the United States and Canada, we quantify consumers’ net pecuniary cost of using cash, credit cards, and debit cards for purchases across income cohorts. The net cost includes fees paid to financial institutions, rewards received from credit or debit card issuers, and the...

Buying a house changes a household's balance sheet by simultaneously reducing liquidity and introducing mortgage payments, which may leave the household more exposed to other shocks. We find that this change affects credit card use in two ways: A debt effect increases credit card spending, while...

The revolving credit available to consumers changes substantially over the business cycle, life cycle, and for individuals. We show that debt changes at the same time as credit, so credit utilization is remarkably stable. From ages 20-40, for example, credit card limits grow by more than 700...

In consumer credit, "ability-to-pay" (ATP) rules require lenders to consider whether the consumer can repay a loan without experiencing undue hardship. ATP rules have recently been implemented or considered in many countries and markets. Using a large panel of credit card accounts, we study the...