https://www.cbo.gov/system/files/115th-congress-2017-2018/reports/53651-outlook.pdf
http://blogs.lse.ac.uk/europpblog/2018/11/09/germanys-non-rebalancing-of-its-mercantilist-model/?fbclid=IwAR27iG5mvfm7OhdEvLvAgSDfPWaVzY7AgWp2WCZ278P3NblPgDgEqqWDkGI
https://www.progressivepolicy.org/blogs/trade-fact-of-the-week-trump-campaign-proposes-the-highest-u-s-tariff-since-1937/
http://www.resolutionfoundation.org/app/uploads/2017/01/Audit-2017.pdf