What Stubborn Inflation Could Mean for the U.S. Economy
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On April 10, 2024, the U.S. Bureau of Labor Statistics released the Consumer Price Index (CPI) for March, and the increase in CPI — the most commonly cited measure of inflation — was higher than expected. The rate for all items (headline inflation) was 3.5% over the previous year, while the "core CPI" rate, which strips out volatile food and energy prices, was even higher at 3.8%. The month-over-month change was also higher than anticipated at 0.4%.1
The stock market dropped sharply on this news and continued to slide over the following days, while economists engaged in public handwringing over why their projections had been wrong and what the higher numbers might mean for the future path of interest rates. In fact, most projections were off by just 0.1% — core CPI was expected to increase by 3.7% instead of 3.8% — which hardly seems earth-shattering to the casual observer. But this small difference suggested that inflation was proving more resistant to the Federal Reserve's high interest-rate regimen.2
It's important to keep in mind that the most dangerous battle against inflation seems to have been won. CPI inflation peaked at 9.1% in June 2022, and there were fears of runaway inflation similar to the 1980s. That did not happen, and inflation declined fairly steadily through the end of 2023. The issue now is that there has been upward movement during the first three months of 2024.3 This is best seen by looking at the monthly rates, which capture the current situation better than the 12-month rates. March 2024 was the third month in a row of increases that point to higher inflation (see chart).
High for longer
While price increases hit consumers directly in the pocketbook, the stock market reacted primarily to what stubborn inflation might mean for the benchmark federal funds rate and U.S. businesses. From March 2022 to July 2023, the Federal Open Market Committee (FOMC) raised the funds rate from near-zero to the current range of 5.25%–5.5%, in order to slow the economy and hold back inflation. At the end of 2023, with inflation apparently moving firmly toward the Fed's target of 2%, the FOMC projected three quarter-percentage point decreases in 2024, and some observers expected the first decrease might be this spring. Now it's clear that the Fed will have to wait to reduce rates.4–5
Higher interest rates make it more expensive for businesses and consumers to borrow. For businesses, this can hold back expansion and cut into profits when revenue is used to service debt. This is especially difficult for smaller companies, which often depend on debt to grow and sustain operations. Tech companies and banks are also sensitive to high rates.6
In theory, high interest rates should hold back consumer spending and help bring prices down by suppressing demand. So far, however, consumer spending has remained strong. In March 2024, personal consumption expenditures — the standard measure of consumer spending — rose at an unusually strong monthly rate of 0.8% in current dollars or 0.5% when adjusted for inflation.7 The job market has also stayed strong, with unemployment below 4% for 26 consecutive months and wages rising steadily.8 The fear of keeping interest rates high for too long is that it could slow the economy too much, but that is clearly not the case, making it difficult for the Fed to justify rate cuts.
What's driving inflation?
The Consumer Price Index measures price changes in a fixed market basket of goods and services, and some inputs are weighted more heavily than others. The cost of shelter is the largest single category, accounting for about 36% of the index and almost 38% of the March increase in CPI.9 The good news is that measurements of shelter costs — primarily actual rent and estimated rent that homeowners might receive if they rented their homes — tend to lag current price changes, and other measures suggest that rents are leveling or going down.10
Two lesser components contributed well above their weight. Gas prices, which are always volatile, made up only 3.3% of the index but accounted for 15% of the overall increase in CPI. Motor vehicle insurance prices made up just 2.5% of the index but accounted for more than 18% of the increase. Together, shelter, gasoline, and motor vehicle insurance drove 70% of March CPI inflation. On the positive side, food prices made up 13.5% of the index and rose by only 0.1%, effectively reducing inflation.11
While the Fed pays close attention to the CPI, its preferred inflation measure is the personal consumption expenditures (PCE) price index, which places less emphasis on shelter costs, includes a broader range of inputs, and accounts for changes in consumer behavior. Due to these factors, PCE inflation tends to run lower than CPI. The annual increase in March was 2.7% for all items and 2.8% for core PCE, excluding food and energy. The monthly increase was 0.3% for both measures.12
Although these figures are closer to the Fed's 2% target, they are not low enough in the face of strong employment and consumer spending to suggest the Fed will reduce interest rates anytime soon. It's also unlikely that the Fed will raise rates. For now, the central bank seems poised to give current interest rates more time to push inflation down to a healthy level, ideally without significant slowing of economic activity.13
All investing involves risk, including the possible loss of principal, and there is no guarantee that any investment strategy will be successful. Projections are based on current conditions, subject to change, and may not come to pass.
