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Mark Zandi, chief economist of Moody’s Analytics, says higher interest rates are already putting pressure on the economy—but his warning is conditional, not a prediction that recession or collapse is certain. In an interview reported by Yahoo Finance on September 28, 2026, he said the damage would depend on how long rates remain high and whether pressures such as the Iran conflict and elevated oil prices ease.
What Zandi says higher rates are doing
“I think the economy is going to start to sag as a result of the rate increases,” Zandi told Yahoo Finance. He pointed to both the Federal Reserve’s benchmark policy rate and higher long-term bond yields. The latter can feed into borrowing costs even when a loan is not directly tied to the Fed’s policy rate.
The report described a 0.25-percentage-point Fed increase on September 16, 2026, which it said brought the policy-rate range to 3.75%–4% and was the first increase in more than three years. These are figures reported in the September 28 article, not independently verified readings here.
How long can rates stay high before the economy struggles?
Duration is central to Zandi’s warning. He described a relatively limited-damage scenario if elevated rates lasted only a few months, the Iran conflict ended, oil prices fell, and the further rate increases markets anticipated did not occur. In that case, he said, higher rates would hurt the economy but would not hobble it.
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His more serious scenario is a prolonged period of high rates extending into the following year. “But if it goes on for much longer than that and into next year, I think the economy will really start to struggle.” This is a conditional forecast: it describes what Zandi believes could happen if those conditions persist, not a certainty that they will.
What the September 28 report said about borrowing conditions
To illustrate the financial backdrop at publication, Yahoo Finance reported that the 10-year Treasury yield was 5.22% on the Monday of its article, after reaching a 20-year high the preceding week. It also reported a 7.5% rate for 30-year fixed mortgages, described as the highest since spring 2024. Those are snapshots reported by the article; yields and mortgage rates can change quickly.
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The article said markets were pricing in three to four additional rate hikes over the following year, including one more in 2026. That was a report of market expectations, not a Federal Reserve commitment. Zandi said further increases on that path would add pressure to borrowers.
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Households with revolving or home-equity debt
Zandi identified people carrying credit-card balances and borrowers using home-equity lines of credit as vulnerable to higher borrowing costs. The article presents these as groups at risk from rate increases; it does not report a tally of defaults or establish that all such borrowers are already in distress.
Heavily indebted companies
He also singled out highly indebted companies, including firms whose private-equity owners had extended debt maturities to keep payments low. If borrowing costs stay elevated, he warned, some companies could face bankruptcy. This is a risk he described, not a report that those bankruptcies have already occurred.
AI infrastructure investors as a possible exception
Zandi viewed major technology companies investing heavily in AI infrastructure as potentially better able to absorb higher interest costs, because of their high margins and expected profits. He did not present that resilience as guaranteed. On AI-related valuations, he said: “AI is running on its own dynamic, and expectations for future profits are quite high.”
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Why rising long-term yields are being interpreted differently
The Yahoo Finance report described competing explanations for rising long-term yields. It said some Fed officials, including Warsh, viewed them as a sign of robust growth. Zandi instead pointed to geopolitical friction and uncertainty, as well as a possible premium associated with the Fed chair no longer providing forward guidance. These are interpretations reported in the article, not settled explanations for the movement in yields.
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Does Zandi predict a stock-market crash?
No. Zandi characterized higher rates as a gradual pressure on valuations rather than a trigger for an abrupt collapse: “The run-up in rates is a corrosive on valuations. It’s not a cliff event.” He also used a marble-floor analogy when discussing AI-related valuations. The report does not say he predicted that higher rates alone would cause a sudden stock-market crash.
Quick Recap
What to take from the warning
- Zandi’s concern is that the economy may weaken as the effects of higher policy rates and long-term yields accumulate.
- His outlook hinges on duration: a few months of elevated rates alongside easing oil and geopolitical pressures would be less damaging in his scenario than rates staying high into the next year.
- He identified borrowers with credit-card or home-equity debt and highly indebted companies as particularly exposed, while treating AI hyperscalers as a possible exception rather than a certainty.
- The market figures and rate expectations in the September 28 article are time-specific reported context, not a guarantee of future rates or Fed decisions.
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