Adams, P., Guttman-Kenney, B., Hayes, L., Hunt, S., & Stewart, N. (2018). Increasing credit card payments using choice architecture: The case of anchors and prompts. Financial Conduct Authority Occasional Papers in Financial Regulation, 42.

We investigate ways to encourage consumers to repay more of their credit card debt, which would lead to earlier full repayment, lower interest costs and reduced risks to credit scores, which can be affected by carrying long-term debt. Previous academic research has shown that consumers are strongly influenced by the inclusion of the minimum payment amount on their credit card bill, leading some consumers to pay less than they otherwise would. Through an online experiment, we replicate results from previous research, that removing the minimum payment amount from bills causes an upward shift in repayments - away from the minimum and towards the full amount. This lends further support to the theory that the minimum amount acts as an ‘anchor’ or ‘target value’, biasing payments downwards. We also find that including a prompt to pay the balance in full causes a large increase in the probability of paying in full. For those who choose to pay the minimum amount or close to it, prompting them to choose higher payments which would clear the debt in 1, 2 or 3 years results in many choosing to increase their repayment, with none choosing to decrease it. All 3 effects resulted in large changes to the distribution of repayments, with fewer people choosing to pay the minimum, more people choosing to pay the full amount and an increase in average repayments.

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