One year on from the 2018 national security actions on steel and aluminum, Soumaya Keynes and Chad Bown discuss who is paying for President Trump’s tariffs. They speak with David Weinstein (Columbia University) and Amit Khandelwal (Columbia Business School) about two new research studies answering that question, as well as how the tariffs impact the US economy overall, who is winning and losing across America, and whether the tariffs differentially targeted Republican or Democratic voters.

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• Amiti, Mary, Stephen Redding and David Weinstein, “The Impact of the 2018 Trade War on U.S. Prices and Welfare,” March 2019. 
• Goldberg, Penny, Pablo Fajgelbaum, Patrick Kennedy and Amit Khandelwal, “The Return to Protectionism,” March 2019.