48
The change in the average U.S. tariff rate in 2025 was the largest in the modern era. One way to assess the effects of such a large shock on unemployment and inflation is by looking at data from pre-World War II periods with tariff rate changes of a similar magnitude. Analysis shows that previous tariff hikes raised unemployment and reduced both economic activity and inflation. Uncertainty may be a factor behind these effects: A large tariff increase raises uncertainty, which can depress overall demand and lead to lower inflation.
Published: January 5, 2026 6:00 pm
Source: Federal Reserve Bank of San Francisco — Read original