The latest Middle East escalation is no longer only a security crisis. It has become a test of the global economy’s ability to absorb an energy shock while inflation remains elevated and governments have less fiscal room than they did during the pandemic.
Brent crude rose above $100 a barrel as uncertainty over Washington–Tehran negotiations and the security of the Strait of Hormuz unsettled markets. The waterway is a critical transit route for oil and liquefied natural gas, and any prolonged disruption would raise not only fuel costs but also freight, insurance and production expenses.
The immediate response has been designed to prevent panic. G7 leaders agreed to begin a coordinated release of 100 million barrels from emergency reserves over four months, according to a statement reported by Yeni Şafak. That volume can soften a temporary shortage, but it cannot permanently replace Gulf exports or resolve the political risk driving prices higher.
Why this shock matters now
The global economy enters the crisis with a mixed record of resilience. The OECD projects global growth of 2.9% in 2026 and 3.0% in 2027, while noting that strong artificial-intelligence investment and government support have helped offset weaker momentum elsewhere, according to a New Zealand Ministry of Foreign Affairs briefing.
That resilience is real, but it is uneven. Inflation has begun rising again in several major markets. U.S. consumer prices were reported to be 3.8% higher in September than a year earlier, the highest rate since September 2023, according to Deloitte. The euro area also faces renewed pressure, with energy prices cited as a major contributor to September inflation in market reporting.
Higher oil prices therefore threaten a policy dilemma. Central banks could keep interest rates high to prevent an energy shock from becoming embedded in wages and services. But tighter policy would also weaken housing, investment and consumer demand. Governments could subsidize fuel and food, yet broad subsidies would deepen fiscal deficits and potentially preserve demand for scarce energy.
The second-round effects
Energy is only the first transmission channel. Reports of a fertilizer supply crunch linked to Middle East tensions and disruption around Hormuz point to a more serious risk for agriculture. Fertilizer is energy-intensive to produce, and higher prices can reduce farmers’ use of key inputs, lowering yields in subsequent seasons.
Shipping would face a similar squeeze. A vessel avoiding an exposed route may need more fuel, more crew time and higher insurance coverage. Those costs eventually reach manufacturers and consumers, even when the original cargo is not oil. For lower-income countries that import fuel, grain or fertilizer, the impact can be especially severe because food and transport occupy a larger share of household budgets.
Still, the worst-case scenario is not inevitable. The OECD assessment emphasizes that sizeable oil inventories, supplies from outside Gulf producers and discretionary government measures have so far cushioned the shock. The global economy is also less dependent on any single source of energy than it was decades ago. The United States, Norway, Brazil and other producers provide alternatives, although replacing Gulf volumes quickly would be difficult.
Markets are pricing politics
The most important variable is duration. A brief disruption could be managed through inventories and reserve releases. A prolonged closure or repeated attacks would create a fundamentally different problem: markets would begin pricing a lasting reduction in supply, not merely a temporary interruption.
That distinction explains why financial markets have remained volatile even when equity indexes appear resilient. Strong technology investment, particularly in artificial intelligence, has supported U.S. growth and equity valuations. But rising Treasury yields, a stronger dollar and higher energy costs can eventually challenge that optimism. The result is a split economy: profitable technology companies may continue investing, while energy-sensitive manufacturers and households face a slower recovery.
For policymakers, the next steps are likely to center on three priorities:
- Keeping shipping lanes open and preventing a temporary security crisis from becoming a durable trade disruption.
- Targeting energy and food support at vulnerable households rather than relying on universal subsidies.
- Maintaining credible inflation policy without unnecessarily deepening the slowdown.
The central question is not whether the world can survive a single oil-price spike. It is whether governments can prevent that spike from interacting with fragile public finances, high interest rates and food insecurity. If diplomacy reduces the threat around Hormuz, inventories and alternative supplies may allow growth to continue. If disruption persists, the crisis will move from markets into household budgets, central-bank decisions and political stability.
Sources: New Zealand Ministry of Foreign Affairs; Deloitte Insights; Yeni Şafak; TalkMarkets.