• European Central Bank policymaker François Villeroy de Galhau warns the Iran conflict adds upside risk to inflation and downside risk to growth.
  • Energy prices spike and business confidence weakens, creating a stagflationary shock for major economies.
  • Central bankers face a delicate balancing act as households and firms absorb higher costs amid volatile markets.

Stagflationary Shock Looms

The escalating Iran conflict is injecting fresh uncertainty into global markets, with European Central Bank policymaker François Villeroy de Galhau flagging a dual threat to growth and inflation. Speaking to reporters, Villeroy said the crisis “creates upside risk to inflation and downside risk to growth,” primarily through higher energy prices and weaker confidence. The warning comes as oil and gas prices surge, with Brent crude topping $90 a barrel and European natural gas futures jumping 15% in the past week.

“The combination of rising input costs and softening demand is exactly the kind of stagflationary shock central bankers dread,” said a source familiar with the ECB’s internal discussions. Businesses across the eurozone are reporting thinner margins and delayed investment plans, according to a flash survey of purchasing managers released Wednesday.

Global Ripple Effects

The economic fallout is spreading beyond Europe. In the U.S., inflation expectations have ticked higher, while China, a major energy importer, faces squeezed industrial profits. “Without a de-escalation, we could see sustained pressure on supply chains and household budgets,” said an analyst at a major investment bank. Shipping costs on key routes from Asia have already climbed 8% this month on war-risk insurance premiums.

Efforts by diplomatic channels to broker a ceasefire have hit a snag, according to people familiar with the matter. “A prolonged conflict would force central banks to keep rates higher for longer,” Villeroy said. He declined to comment on the ECB’s next policy move, but markets are now pricing in a delayed rate cut cycle.

Human and Market Toll

Households are feeling the pinch first. Fuel and heating costs are rising, while food prices—already elevated—face further pressure from higher transport expenses. “My utility bill has gone up 30% in two months,” said Maria Rossi, a shopkeeper in Milan. Investors are also on edge: European equities have slid 4% this week, led by airlines and shipping firms. Volatility gauges are spiking, and credit spreads are widening for energy-sensitive sectors.

Villeroy stressed that the ECB stands ready to act if inflation expectations become de-anchored, but acknowledged the policy trade-off is acute. “We must avoid a recession while keeping prices stable,” he said. The coming weeks will test whether central banks can navigate the tightrope.

Correction: An earlier version of this article misstated the timing of Villeroy’s comments. They were made on Thursday, not Wednesday.