The World Economy Is Trapped Inside Donald Trump’s Head

Yesterday afternoon, Donald Trump celebrated America’s so-called Liberation Day by announcing a slew of tariffs on dozens of countries. His plan, if fully implemented, will return the United States to the highest tariff duty as a share of the economy since the late 1800s, before the invention of the automobile, aspirin, and the incandescent light bulb. Michael Cembalest, the widely read analyst at JP Morgan Wealth Management, wrote that the White House announcement “borders on twilight zone territory.”

The most fitting analysis for this moment, however, does not come from an economist or a financial researcher. It comes from the screenwriter William Goldman, who pithily captured his industry’s lack of foresight with one of the most famous aphorisms in Hollywood history: “Nobody knows anything.”

You’re not going to find a better three-word summary of the Trump tariffs than that. If there’s anything worse than an economic plan that attempts to revive the 19th-century protectionist U.S. economy, it’s the fact ...
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