Patrick M. Brenner is president and CEO of the Southwest Public Policy Institute.
The average 30-year fixed-rate mortgage now sits near 5.98 percent, the first time it has been below 6 percent since 2022 and bringing it below a crucial psychological threshold. Many in the housing industry, including Federal Housing Finance Agency Director Bill Pulte, expect the change in the mortgage rate to draw buyers back into the market simply because the first number had shifted from 6 to 5 percent.
That may be true, but nothing in the housing market has fundamentally changed. Still, the news was welcomed as if the country is well on its way to making house-buying affordable again. It’s a reaction that reveals something deeper about modern finance: Prices do not merely describe cost; they shape perception.
“I’ll tell you what brilliance in advertising is,” the “Mad Men” character Roger Sterling declared. “Ninety-nine cents.”
This insight has reshaped modern commerce. Charge $6 for a product, and buyers hesitate. Price it at $5.99 and sales climb, even though the difference is a penny. A 2009 New York Times review of pricing research noted that goods ending in “.99” reliably outsell identical items priced at round numbers.
Economists call this the theory of charm pricing: Consumers tend to focus only on the leftmost digit and thus perceive a lower price category. Retailers learned an enduring lesson: Presentation influences judgment as much as the price itself.
Finance has its own version of charm pricing and 99 cents: the annual percentage rate, or APR. And here again, presentation matters. If housing affordability were purely a function of price, a one-tenth change in interest rates would not transform market sentiment overnight.
APR was supposed to make lending transparent. When Congress enacted the Truth in Lending Act of 1968, credit markets were confusing and inconsistent. Lenders quoted borrowing costs using incompatible formulas — add-on interest, discount rates and assorted fees — that made meaningful comparison unrealistic. APR solved a real problem by translating loan costs into a single standardized annual percentage.
History tells a more complicated story. From the 1910s through the 1940s, reformers, lenders and policymakers fought over what the “true” cost of credit meant. The Russell Sage Foundation advocated all-inclusive rates that revealed the full cost of small loans, while many lenders preferred discount pricing and layered fees that made borrowing appear cheaper.
The Truth in Lending Act was Washington’s attempt to impose order. By mandating a standardized figure, Congress sought to transform a fragmented marketplace into one that consumers could reasonably navigate. On that count, it worked. State usury ceilings tied to APR limited how expensive credit could become, and disclosure allowed borrowers to compare similar loan products competing within those limits.
Then, financial markets changed. The Supreme Court’s 1978 Marquette Nat. Bank v. First of Omaha Svc. Corp. decision and Congress’s 1980 Depository Institutions Deregulation and Monetary Control Act, which allowed banks to export interest rates across state lines, effectively nationalized lending and weakened state price controls on interest rates. Credit expanded across products, durations, and risk levels.
APR remained the universal disclosure even as the products it described became radically different.
Today, the same metric governs credit cards, auto loans, payday advances, buy-now-pay-later plans and 30-year mortgages. Pricing for loans lasting decades and loans lasting days are mandated into the same annualized percentage.
The comparison tool survived. The comparability did not.
Mortgage advertisements never lead with total repayment. No lender says: Borrow $400,000 today and repay that, plus an extra $300,000 over 30 years. Instead, borrowers see “refinance at 5.98 percent.” The number is accurate, but it compresses decades of compounding interest.
Over time, after continued exposure to the practice, Americans learned to judge borrowing based on monthly payments. That shift reshaped consumption. Cars are leased, phones are financed, purchases are divided into installments and housing is evaluated using monthly affordability calculators. Americans increasingly subscribe to everything, including their assets. At the end of 2025, total U.S. household debt had swelled to an all-time high of $18.8 trillion.
In 2016, the World Economic Forum imagined a future in which “you’ll own nothing. And you’ll be happy.” While the phrase became fodder for political outrage, it captures a real economic trajectory: asset use replacing asset ownership.
APR did not create this system, but it does reinforce it. Congress sought clarity, regulators pursued comparability, and lenders followed the rules. Yet framing has consequences. APR appears in bold type while lifetime repayment is buried in disclosures that few borrowers meaningfully process.
Half a century after the Truth in Lending Act promised transparency, Americans possess more disclosure than ever, yet the most familiar number in borrowing is also the least intuitive. Americans can look at a 5.98 percent mortgage rate and think they’re getting a good rate. But in the end, APR is just charm pricing. Americans may be fluent in interest rates, but they’re increasingly detached from the total price.
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