Impact of Credit Card APR Changes on Consumer Spending

A recent study by the Federal Reserve Bank of Boston reveals that fluctuations in credit card annual percentage rates (APRs) significantly influence consumer spending. Specifically, a 1 percentage point increase in APR leads to an approximate 9% reduction in credit card spending the following month. This response is particularly pronounced among financially constrained consumers, who may reduce their spending by as much as 15% when faced with higher interest rates. The findings suggest that consumers are more responsive to changes in borrowing costs than previously understood.

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Credit card interest rates are closely tied to the prime rate, which is influenced by the federal funds rate set by the Federal Reserve. Following rate hikes in 2022 and 2023, the average credit card rate surged from just over 16% to over 20%, reaching a peak in 2024 before slightly declining to around 19.58%. As APRs rise, consumers tend to adjust their spending habits, thereby reducing their debt burden. Ted Rossman, a senior industry analyst at Bankrate, noted that this behavior mirrors trends seen in other areas, such as reduced driving in response to rising gas prices.

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The Boston Fed's report highlights that the impact of APR changes is not uniform across all consumer segments. Those who carry a balance—often referred to as "revolvers"—are more likely to alter their spending in response to interest rate increases. In contrast, consumers who pay off their balances in full each month show minimal changes in spending behavior, as they do not incur interest charges. This distinction underscores the correlation between financial status and spending responsiveness.

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The findings indicate a K-shaped economic recovery, where upper-income households continue to drive economic growth while lower- and middle-income households reduce their spending. This divergence raises concerns about the broader implications for consumer spending and economic stability, particularly as interest rates fluctuate.

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Falk Brauning, an economist at the Federal Reserve Bank of Boston and co-author of the report, emphasized that financially constrained consumers are the most responsive to APR changes. He stated, "Being a revolver or not is very much correlated to your financial status." Additionally, Matt Schulz, chief credit analyst at LendingTree, remarked on the awareness of consumers regarding interest rates, asserting that those carrying a balance adjust their behavior in response to rate changes.

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• “It appears that many people do slow spending to the extent they can when interest rates go up,” — Ted Rossman, Senior Industry Analyst, Bankrate

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• “Financially constrained consumers …” — Falk Brauning, Economist, Federal Reserve Bank of Boston

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• “This finding is intuitive: If you are not paying interest, a higher interest rate does not directly increase the cost of your purchases," the report said.” — Federal Reserve Bank of Boston Report

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The research from the Federal Reserve Bank of Boston underscores the significant relationship between credit card APRs and consumer spending behavior. As interest rates fluctuate, understanding these dynamics becomes crucial for assessing economic trends and consumer financial health.

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