The latest US inflation data have complicated the Federal Reserve’s path toward lower interest rates, with core personal consumption expenditures inflation holding at 3.3 percent in July, well above the central bank’s 2 percent objective. The broader personal consumption expenditures price index also remained elevated at 3.7 percent from a year earlier, while monthly headline and core prices both increased 0.2 percent. The figures show that inflation has moderated from the sharper pressures seen earlier in the year, but the underlying process of returning price growth to the Fed’s target remains incomplete.

The importance of the July report lies less in the monthly increase itself than in what it says about the persistence of inflation. Core inflation removes food and energy prices, which can move sharply because of temporary supply disruptions and commodity shocks. By remaining at 3.3 percent, core PCE suggests that price pressures are still embedded across a broader range of the economy even as some volatile categories have eased. The Federal Reserve has historically watched this measure closely because it can provide a clearer indication of underlying inflation trends.

The data also arrive at a particularly difficult moment for monetary policy. The Federal Reserve has kept its policy rate in the 3.50 percent to 3.75 percent range, while officials have faced competing signals from inflation, economic growth and the labor market. The July figures do not establish that another rate increase is inevitable, but they make it harder for policymakers to argue that inflation is moving quickly enough toward 2 percent to justify an easy policy shift.

Core Inflation Reveals the Harder Problem

The most significant feature of the report is the gap between headline and core inflation. Headline PCE inflation stood at 3.7 percent, while core PCE was 3.3 percent. That difference indicates that removing food and energy prices reduces the measured inflation rate, but not enough to bring it close to the Fed’s target. The persistence of core inflation therefore suggests that the problem is no longer confined to a small number of volatile categories.

The monthly figures provide a similarly mixed picture. Goods prices declined in July, while services prices continued to rise. Current-dollar consumer spending increased 0.2 percent, but inflation-adjusted spending was essentially flat. This combination matters because it suggests that consumers continued to spend more in dollar terms without generating a comparable increase in the volume of goods and services purchased. Personal income, meanwhile, increased 0.4 percent, giving households some additional support even as real spending remained weak.

Services are particularly important for understanding why core inflation has remained elevated. The Federal Reserve’s recent analysis has shown that core services inflation has been more persistent than some other components, while housing-related price pressures have been easing only gradually. The July report continued to show increases in services prices, meaning that a decline in energy costs alone cannot guarantee a sustained reduction in overall inflation.

That creates a difficult policy distinction. The Fed can respond effectively to demand-driven inflation by keeping monetary policy restrictive, but it has less direct control over inflation caused by energy disruptions, tariffs or other supply shocks. The current environment contains elements of both. That makes the July 3.3 percent core reading important because it indicates that inflationary pressure extends beyond the most visibly volatile parts of the economy.

Tariffs and Energy Complicate the Inflation Path

The inflation picture has also been shaped by developments that monetary policy cannot easily neutralize. Federal Reserve officials have previously pointed to higher tariffs as a source of increased prices for some consumer goods, while the Middle East conflict pushed energy prices sharply higher earlier in the year. The central bank’s own analysis found that inflation accelerated as energy prices surged and tariff-related pressures affected goods prices.

July nevertheless brought some relief from energy costs. The overall PCE index increased only 0.2 percent during the month, while the earlier surge in energy prices had moderated. The Consumer Price Index also showed energy prices falling in July, although shelter costs continued to rise. This suggests that some of the pressure that pushed headline inflation higher earlier in the year may be temporary, but it does not establish that the underlying inflation problem has disappeared.

Tariffs present an even more complicated challenge. If import costs rise and companies pass part of those costs to consumers, inflation can remain elevated even when domestic demand is not particularly strong. Raising interest rates cannot directly reverse a tariff. It can, however, restrain demand enough to prevent a temporary price increase from spreading into broader inflation expectations and wage-setting behavior. This is one reason the Fed must distinguish between a one-time price-level adjustment and persistent inflation.

The available evidence does not show that July’s inflation rate was driven by a single factor. Instead, it reflects several forces operating simultaneously. Energy prices have become less damaging than earlier in the year, goods inflation has shown signs of moderation, and services remain a source of persistence. That mixture makes the direction of future inflation more important than one monthly reading.

Strong Income Does Not Mean Strong Demand

The income and spending figures add another layer to the Fed’s dilemma. Personal income increased 0.4 percent in July, while disposable income rose 0.5 percent. Yet real personal consumption expenditures increased by less than 0.1 percent. The difference indicates that higher nominal incomes did not translate into a significant increase in the real quantity of goods and services consumed during the month.

That matters because monetary tightening works partly by restraining demand. If households are already becoming cautious, the Fed has to consider whether additional restraint would bring inflation down at an acceptable economic cost. At the same time, the persistence of 3.3 percent core inflation means that policymakers cannot assume weak real spending will automatically produce rapid disinflation.

The broader economic backdrop reinforces that tension. Federal Reserve officials said in July that economic activity was still expanding at a solid pace, while inflation remained elevated and uncertainty was unusually high. The central bank’s June projections had already raised its expected 2026 core PCE inflation rate to 3.3 percent, showing that policymakers were preparing for inflation to remain higher for longer rather than assuming an immediate return to target.

Financial markets are also responding to uncertainty over the policy outlook. Longer-term Treasury yields have remained sensitive to concerns about inflation, government borrowing and the eventual path of monetary policy. That means the Fed’s challenge extends beyond deciding where its short-term policy rate should be. Investors also need confidence that inflation will eventually return to target without forcing an unnecessarily severe slowdown.

September Policy Will Depend on More Than July

The July PCE report does not settle the question of what the Federal Reserve should do next. The September 15 to 16 policy meeting will occur after additional inflation and labor-market information becomes available, giving policymakers another opportunity to determine whether July’s readings represent continued persistence or merely a temporary pause in the disinflation process.

The central issue will be whether core inflation can move decisively lower without a substantial weakening in economic activity. A 3.3 percent annual core rate is not an acceleration from June, but neither is it evidence of rapid progress toward 2 percent. The Fed therefore faces a narrower path: maintaining sufficiently restrictive policy to prevent inflation from becoming entrenched while avoiding excessive pressure on demand if the economy begins to weaken.

The July figures also explain why a simple comparison between current inflation and its earlier peak can be misleading. Headline PCE has fallen substantially from the 4.1 percent rate recorded in May, but the core measure has remained much more stable. The improvement in headline inflation is therefore partly connected to movements in categories that can change quickly, while the underlying measure that policymakers use to assess persistent pressure remains considerably higher than target.

For the Fed, that distinction is crucial. The policy problem is no longer simply bringing inflation down from an extreme peak. It is determining whether the final stage of disinflation can occur without keeping interest rates restrictive for too long. The July core PCE reading of 3.3 percent shows why that final stage may prove substantially harder than the initial decline.

(Adapted from Forbes.com)

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