New evidence reveals a side effect of President Trump’s import tariffs. The research shows that, through US supply chain linkages, the new US tariffs on imported inputs are directly contributing to the recent slowdown in US exports of outputs. Kyle Handley (University of Michigan) joins to discuss the potential causes and consequences of these results.

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• Kyle Handley, Fariha Kamal and Ryan Monarch. 2020. Rising Import Tariffs, Falling Export Growth: When Modern Supply Chains Meet Old-Style Protectionism. NBER Working Paper No. 26611, January.