Wholesale Prices Plummet in April; Economists Warn Tariff-Driven Inflation Looms

April’s Producer Price Index showed wholesale prices fell 0.5%, the largest monthly decline since the early days of the COVID pandemic. Year-over-year inflation cooled to 2.4%, but much of that improvement reflected a 1.7% drop in trade margins. In other words, businesses appear to be temporarily absorbing higher tariff-related costs instead of passing them on to consumers.

Economists caution that this pattern is likely temporary. “We are beginning to see trade policy filtering into hard data, affecting revenues and profit margins,” says RSM’s Joe Brusuelas. At the same time, core goods prices—excluding food and energy—increased 0.4% in April, the fastest monthly rise in more than two years. That uptick points to underlying inflationary pressures despite the headline decline.

Retail sales data reinforce this mixed picture. April retail sales growth slowed sharply to just 0.1% after a 1.7% surge in March, when shoppers accelerated purchases ahead of tariff changes. The combination of squeezed trade margins, rising core goods costs, and cooling consumer spending suggests companies may soon pass more of their higher input costs on to buyers, which could push inflation back up if margins can no longer absorb the burden.

Policymakers and market participants will be watching the coming months for signs that businesses either restore margins or raise prices. If firms continue to shoulder tariff-related expenses, profit margins may erode and weigh on corporate earnings. If they shift the burden to consumers, broader price measures could show renewed strength. Either outcome has implications for monetary policy, corporate revenue forecasts, and household purchasing power.

In short, while the headline PPI decline is welcome, the underlying data — including the rise in core goods prices and the collapse in retail sales growth after an early-month rush — suggest the disinflation may be fragile. Analysts expect that as trade-policy impacts work through supply chains and company balance sheets, the short-term picture could reverse, leaving inflationary pressures intact. Observers will be monitoring upcoming PPI releases, retail sales reports, and corporate margin trends for clearer direction.