Today’s global economy is increasingly being defined by a ripple-out dynamic: Localized geopolitical friction is creating global economic consequences.
Geopolitical shocks used to be treated as temporary disruptions to the economic cycle. Increasingly, they are being viewed as part of the natural pattern of ups and downs in economic activity. From wars and trade disputes to rising protectionism and strategic rivalries, geopolitical tensions are now directly shaping inflation, supply chains, capital flows, and long-term growth expectations. While such events often appear abstract and/or distant, their economic effects consistently ripple outward – primarily via commodity pricing shifts whose impact spreads across financial markets into corporate balance sheets and, finally, household budgets.
A structural shift in macro risk
For much of the post-Cold War period, globalization dampened geopolitical risk. Supply chains optimized for efficiency, trade expanded rapidly, and political shocks were often absorbed with limited spillover. That environment has changed. Strategic competition, regional conflict, and combative economic policymaking are now constant elements of a more reactive global system.
Today, geopolitical events transmit faster and more forcefully into the economy, particularly through supply-side channels. The three main avenues through which geopolitical events make themselves felt are:
- Inflation through supply disruption: Wars and regional conflicts most immediately affect markets by disrupting production or transportation of critical commodities. Energy remains the most impactful channel since it touches every area of production. Higher oil and gas prices raise input costs across manufacturing, logistics, and utilities, creating broad-based inflationary pressure.
- Trade fragmentation and tariffs: While often framed as defensive or strategic measures, the economic impact of tariffs is straightforward: They increase costs. Empirical evidence consistently shows that tariffs are largely passed through to domestic consumers and businesses rather than absorbed by foreign exporters.9
- Financial conditions and confidence: Heightened geopolitical risk increases uncertainty, which tightens financial conditions. Risk premiums rise, capital becomes more selective, and long-term investment decisions are delayed. Markets grow more volatile, currencies swing more sharply, and cross-border capital-flows become less predictable.
Current examples of geopolitical trickle-down
More than four years after Russia’s invasion of Ukraine, the economic effects remain embedded in global markets. The conflict disrupted major exporters of energy, grain, and fertilizers, triggering sharp price increases that cascaded across regions. While Europe has reduced dependence on Russian energy, replacement supplies have proven more expensive, keeping energy costs structurally higher and inflation stickier than pre-war norms.10
Next, in 2023, when Houthi forces in Yemen began using drones, missiles, and vessel seizures to target ships in the Red Sea, one of the world’s most important trade corridors, they disrupted roughly 12-15% of global commerce. In response, many shipping companies stopped transiting the Suez Canal and instead rerouted vessels around the Cape of Good Hope at the southern tip of Africa, adding roughly 10-14 days and thousands of miles to journeys between Asia and Europe. This shift significantly increased fuel usage, operating time, and insurance. Freight rates rose and delivery times lengthened throughout 2024 and beyond, which gradually fed higher costs through to global supply chains, raising prices for consumer goods, industrial components, and manufacturing inputs worldwide. This illustrates how a geographically concentrated conflict can generate broad economic ripple effects.
The conflict in Iran and the broader Middle East has renewed concerns around major energy chokepoints, particularly the Strait of Hormuz. Since early March, commercial shipping activity through the waterway has been severely restricted, limiting the flow of crude oil, liquefied natural gas, and fertilizer. The disruption has led to a sharp increase in oil prices, and heightened concerns over a broader energy supply shock. With global stockpiles and inventories falling quickly, multilateral institutions warn that a prolonged conflict could significantly slow global growth while reigniting inflationary pressure across energy-importing economies.11,12
Lastly, the renewed use of broad-based tariffs – particularly among major economies – has accelerated trade fragmentation. Central-bank and academic research suggest these measures reduce real incomes, distort production patterns, and lower long-term growth, even when they temporarily protect specific industries. The cumulative effect is a less efficient, more politicized global trading system.
Why the trickle-down matters
Over time, repeated disruptions compound, moving from immediate effects on commodity markets to secondary impacts on supply chains and financial conditions, and eventually consumer prices, wage pressure, and investment decisions. For businesses, investors, and policymakers, understanding these second- and third-order effects is essential. The most significant costs of geopolitical conflict are often not immediate or local. They ripple out gradually, extending far from the original flashpoint and lingering long after headlines fade.
Contributions to this article by: Dani Zhelezova, Vice President, Business Intelligence, MarshBerry
Sources:
- https://www.cbsnews.com/news/trump-dfc-persian-gulf-ship-insurance-iran-war/
- https://www.richmondfed.org/publications/research/economic_brief/2025/eb_25-12
- https://ecsap.org/publications/the-impact-of-the-ukraine-war-on-global-energy-markets-and-global-climate-change-action/
- https://www.weforum.org/stories/2026/03/the-global-price-tag-of-war-in-the-middle-east/
- https://www.imf.org/en/Publications/WEO
