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“… President Trump’s start-and-stop expansion of tariffs on major trading partners has no analog in modern history. Yet the past can still be instructive. Previous trade disputes over everything from semiconductors to lumber to chickens have sometimes dragged out for decades, rattling international markets and boosting consumer prices.
None of the presidents who pursued those policies staked his agenda on protectionism to the same extent as Trump. His measures cover an array of products: beer from Mexico, Chinese-made toys and Canadian planes.
Economists fear that Trump’s approach could unleash forces that have unintended consequences extending far beyond his time in office.
“This is the biggest change to tariff policy that we’ve seen in recent history,” Cox said.
Washington has historically had specific goals with previous import taxes, said Douglas Irwin, an economics professor at Dartmouth College. Reagan-era tariffs on Japanese semiconductors aimed to shield the U.S. technology sector from a daunting competitor. President Nixon ended short-lived across-the-board tariffs in 1971 soon after the export juggernauts of West Germany and Japan agreed to boost the value of their currencies.
Contrary to many trade spats of past decades, the Trump White House has offered conflicting rationales for taxing foreign goods now, a sign that the coming trade wars could be open-ended.
“The problem [today] is that it’s not clear what the ask is of other countries,” Irwin said. “It’s a dramatic escalation.”
The uncertainty has already dampened consumer confidence and boosted inflation expectations, with Boston Fed researchers estimating that Trump’s early tariff proposals could add 0.5 to 0.8 percentage point to core inflation depending on the response of U.S. importers. …”