Shock at the Pump: Dallas Fed Models Inflation Risk from Iran Oil Disruption

The Federal Reserve Bank of Dallas steps into a familiar but volatile question: what happens to inflation when oil supply is suddenly disrupted?

In a recent analysis, economists Lutz Kilian, Michael Plante, Alexander W. Richter and Xiaoqing Zhou examine the inflationary impact of the 2026 Iran war, focusing on the effect of reduced oil exports through the Strait of Hormuz. Their work does not attempt to predict the outcome of the conflict itself. Instead, it models how different supply disruptions—short-lived or prolonged—translate into changes in gasoline prices, inflation, and expectations.

Under a baseline scenario reflecting current conditions, the results are measured but meaningful. Headline inflation rises by roughly 0.6 percentage points by the end of 2026, with core inflation increasing by about 0.2 percentage points. The immediate impact is sharper, with gasoline-driven price increases pushing inflation higher in the early months before gradually easing.

The key variable is not just supply—but expectations.

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If disruptions last longer, the effects compound. A prolonged closure of the Strait pushes oil prices higher, raising both inflation and short-term inflation expectations. Even so, the Dallas Fed finds that long-term expectations remain relatively stable across scenarios, suggesting that households and markets still view these shocks as temporary rather than structural.

For readers in our broader community, the implications are less abstract than they may first appear.

Higher oil prices move quickly through the local economy. Fuel costs affect transportation, agriculture, construction, and retail—sectors that remain central to daily life across southern New Mexico and the border region. Even modest increases in inflation can be felt in routine expenses, particularly in a region where driving is not optional.

At the same time, the analysis provides a useful reminder of scale.

Even under more severe scenarios, the modeled inflation increases—while noticeable—are not runaway. The system absorbs shocks, though not without cost. The real uncertainty lies in duration: how long supply disruptions persist, and how markets interpret them.

The Dallas Fed’s approach is less about prediction and more about framing risk. By outlining a range of possible outcomes, the analysis offers a structured way to think about an event that is otherwise defined by uncertainty.

Reading Room Note

This article is based on analysis published by the Federal Reserve Bank of Dallas.

Readers are encouraged to review the full report, including charts and scenario modeling.

Read the full analysis: