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19 April 2025

Can Trump’s Tariffs Restore US Manufacturing?

KEUN LEE

Earlier this month, after US President Donald Trump introduced high “reciprocal” tariffs on 57 countries running trade surpluses with the United States, the stock market plunged, the dollar slid, and US Treasury yields climbed. Within 24 hours of the tariffs taking effect, Trump announced a 90-day “pause” on most of them, though a 10% baseline tariff remains in effect, and tariffs on most Chinese imports have continued to climb in a rapidly escalating trade war. Despite the pause, Trump continues to insist that tariffs are essential to bring manufacturing back to the US.

America’s own historical experience – particularly the Smoot-Hawley Tariff Act of 1930 – is often cited as evidence of the profound damage tariffs can do. But East Asia has successfully used tariffs to help it build up a strong manufacturing base. Unfortunately for the US, there are important differences between the approach that worked in East Asia – in particular, South Korea – and the approach taken by the Trump administration.

For starters, South Korea’s tariffs were asymmetric: very high for consumer goods (such as household electrical appliances), which it sought to promote as export industries, and very low for the capital goods (such as machinery) that it needed for manufacturing. Without those low capital-good tariffs – together with low wage rates – South Korea could not have established itself as a low-cost production hub.

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