Iran War's Spike in Oil Prices Fuels US Inflation Surge, CEPR Analysis Shows

The ongoing conflict sparked by the Trump administration's aggressive stance on Iran is not just a geopolitical crisis—it’s a direct hit to the American wallet. According to recent research from the Center for Economic and Policy Research (CEPR), the 2026 Iran War has caused a significant disruption in global oil supplies, sending prices soaring and fueling inflation in the United States.

CEPR's analysis focuses on the closure of the Strait of Hormuz, a critical chokepoint for global oil shipments. A one-quarter closure of the strait has led to an estimated 15% shortfall in global oil exports, roughly 15 million barrels per day. This shortage has driven the price of West Texas Intermediate (WTI) crude oil to spike to $94 per barrel in April and May 2026, well above pre-war levels.

The study employs a sophisticated dynamic stochastic general equilibrium (DSGE) model combined with a structural vector autoregressive (VAR) approach to simulate how these oil price shocks translate to gasoline prices and inflation. Unlike simpler back-of-the-envelope estimates, this method accounts for market risk aversion, oil storage, and the complex interplay between oil prices and inflation expectations.

CEPR finds that the inflationary impact is not fleeting. Even after the strait reopens, oil supply disruptions are expected to taper off gradually over three quarters due to logistical frictions and infrastructure repairs. This prolonged uncertainty keeps gasoline prices elevated, which in turn sustains inflationary pressures for months.

This inflation surge arrives at a precarious moment when many Americans are still grappling with economic instability. The Trump administration’s calculated escalation of conflict with Iran appears to be a deliberate distraction from domestic scandals and a bid to consolidate power through foreign entanglements. But the real cost is being paid by everyday Americans facing higher prices at the pump and in the grocery store.

CEPR’s findings underscore the urgent need for accountability and a reevaluation of policies that weaponize foreign conflict at the expense of the US economy. The war-driven inflation surge is a stark example of how authoritarian overreach and reckless foreign policy decisions can directly undermine democratic governance and economic stability at home.

For a deeper dive into the economic fallout of the Iran War and what it means for US inflation, read the full CEPR analysis here: https://cepr.org/voxeu/columns/quantifying-impact-iran-war-us-inflation