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Marginal Revolutionanalysis

The Macroeconomic Effects of Tariffs

Marginal Revolution
Wednesday, February 25, 2026 at 12:30 AM
~4 min read
Trade

Original Report

We study the macroeconomic effects of tariff policy using U.S. historical data from 1840–2024. We construct a narrative series of plausibly exogenous tariff changes – based on major legislative...

We study the macroeconomic effects of tariff policy using U.S. historical data from 1840–2024. We construct a narrative series of plausibly exogenous tariff changes – based on major legislative actions, multilateral negotiations, and temporary surcharges – and use it as an instrument to identify a structural tariff shock. Tariff increases are contractionary: imports fall sharply, […] The post The Macroeconomic Effects of Tariffs appeared first on Marginal REVOLUTION.

Glass House Analysis

International economic policy has concrete impacts far beyond diplomatic circles. Tariffs show up in the price of goods at stores, supply chain disruptions affect whether products are on shelves, and trade tensions can mean job losses in export-dependent industries. The globalized economy means that decisions made abroad can affect workers and consumers domestically.

The implications extend beyond the immediate news cycle. Every economic development creates ripples that affect employment, prices, and opportunities in ways that may not be immediately visible but are deeply felt. By tracking these connections, we can better understand how the economy truly works—not as an abstract machine, but as a human system shaped by and shaping the lives of millions.

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