Title 3 of the Credit Card Accountability, Responsibility, and Disclosure Act (2009) limited the marketing and sale of credit cards to college students, nudging them away from these high-rate products. While it reduced card use, we find the nudge also raised student loan balances by 8.4%, 15%...

We study whether savings nudges have the unintended consequence of additional borrowing in high-interest credit. We use data from a pre-registered experiment that encouraged 3.1 million bank customers to save via SMS messages and train a machine learning algorithm to predict individual-level...

This paper argues that thresholds in financial contracts act as implicit nudges in consumers’ decisions. Exploiting a regulatory change to credit card minimum payments in Mexico, we find that a one percentage point change in minimum payments leads to a 0.87 pp change in actual payments, both...

In this study, we quantify the effects of receiving stocks from certain brands on spending in the brand's stores. We use data from a new FinTech company called Bumped that opens brokerage accounts for its users and rewards them with stocks when they shop at previously elected stores. For...

We study the distribution of savings from mortgage refinancing across income groups during the COVID-19 pandemic. Between February and June 2020, the difference in savings from refinancing between high- and low-income borrowers was ten times higher than before the pandemic. This was the result...

In this study, we quantify the effects of receiving stocks from certain brands on spending in the brand's stores. We use data from a new FinTech company called Bumped that opens brokerage accounts for its users and rewards them with stocks when they shop at previously elected stores. For...

We study the distribution of savings from mortgage refinancing across income groups during the COVID-19 pandemic. Between February and June 2020, the difference in savings from refinancing between high- and low-income borrowers was 10 times higher than before. This was the result of two factors:...