OPINION: Why Credit Card Rate Caps Hurt Consumers, Small Businesses

By Melissa Koide, Payments Dive
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“Affordability is not just about the cost of credit,” a former Treasury official writes. “It is about whether credit is available at all.”

A 10% cap on credit card interest rates has drawn some bipartisan support in Congress.

At a moment when families are stretched and costs keep rising, the appeal is easy to understand. But good intentions and good policy are not always the same thing, particularly in credit markets where the consequences of blunt policy tools tend to fall hardest on the borrowers who can least afford it.

Credit is not an abstraction for most American families. It is the tool that makes financial resilience and economic mobility possible in practice. Credit history is crucial to renting an apartment or getting access to a mobile phone, and eventually to opening the door to a mortgage.

Credit cards also play a critical role in covering emergency expenses like an unexpected car repair or a medical bill without wiping out savings or turning to a payday lender. For the millions of Americans living paycheck to paycheck, access to responsible credit is often the difference between a setback and a crisis.

Affordability is not just about the cost of credit. It is about whether credit is available at all. This is where the evidence matters. Over the past decade, lenders have developed a far more sophisticated ability to assess creditworthiness than was possible on a credit score alone.

With a consumer’s permission, bank transaction data can reveal income stability and payment patterns that a score may not capture, especially for younger borrowers, those new to credit, and those rebuilding after a financial setback. When paired with machine-learning, this information can identify lower-risk borrowers whose credit application may have been declined using traditional underwriting.

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