
Key Points
- After the first six days, the war in Iran racked up costs of $11.3bn, according to the Pentagon.
- But one academic believes the total cost will prove much higher, potentially reaching $1 trillion over the next decade.
- Such outlays will exacerbate the proliferating U.S. fiscal deficit, says Professor Linda Bilmes.
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https://www.cnbc.com/2026/04/14/iran-war-cost-us-taxpayer-trillion-harvard.html