
https://www.progressivepolicy.org/blogs/trade-fact-of-the-week-trump-campaign-proposes-the-highest-u-s-tariff-since-1937/

https://lawliberty.org/forum/why-economists-loathe-tariffs/

https://www.ippr.org/files/2017-09/cej-interim-report-summary-170911.pdf