07/03/2026
The 2026 US-Iran War and Its Butterfly Effects
(Economics.com0.2 – March 2025)
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The 2026 Iran conflict (also called the US-Israeli war with Iran) began on February 28, 2026, when the United States and Israel launched coordinated airstrikes (Operation Epic Fury / Roaring Lion) targeting Iranian nuclear sites, missile infrastructure, military leadership, and key regime figures including the assassination of Supreme Leader Ali Khamenei. Iran retaliated with missile and drone strikes on Israel, US bases in Gulf states (Bahrain, Qatar, UAE, Kuwait, etc.), and regional energy infrastructure. As of March 5, 2026 (one week in), the conflict remains active but limited in ground operations, with US/Israeli forces degrading Iranian air defenses, navy (17+ ships destroyed), and missile capabilities. Iran has threatened (and partially attempted) closure of the Strait of Hormuz.
This is a classic negative supply shock transmitted primarily through energy markets. For economics students, it illustrates Keynesian uncertainty (“animal spirits”), cost-push inflation, terms-of-trade shocks, and multiplier effects in a highly globalized world. The “butterfly effect” refers to how localized strikes in Tehran or the Persian Gulf cascade into global inflation, altered central-bank policies, supply-chain reconfigurations, and even political instability thousands of miles away.
1. Direct Impact: Energy Markets (The Primary Shock)
The Persian Gulf supplies ~20–25% of global oil and significant LNG. Even without full Hormuz closure, fear alone has spiked prices.
• Oil: Brent crude rose 10–13% from ~$70/bbl pre-conflict to $80–82/bbl by March 2 (peaking near $80+), with US WTI up 6.3% to $71.23 and Brent up 6.7% to $77.74 on March 3. Analysts warn of $100+/bbl if Hormuz is disrupted for weeks.en.wikipedia.orgpbs.org
• US Gasoline: +5–10 cents/gallon daily; could reach $3.50/gallon nationally if oil hits $100 (from ~$3.00 now).
• European Natural Gas (T
