President Donald Trump declared his nearly two-week trip through Asia “tremendously successful,” but economic history should make us more skeptical.
During the trip, the president continued to promote his so-called “America first” trade policy. He is orienting the country distinctly toward protectionism and claiming that unilateralism in trade is good for America.
Here is the problem: President Trump’s approach to trade seems to be based on a false understanding of how the global economy works, one that also plagued American policymakers nearly a century ago. The administration has forgotten an important lesson of

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