https://openmarketsinstitute.org/wp-content/uploads/2020/04/OMI-House-Letter-4.17.20.pdf
https://lawliberty.org/why-we-should-care-that-tariffs-are-taxes/
https://ec.europa.eu/agriculture/sites/agriculture/files/external-studies/2016-bilateral-trade-agreements/exec-sum_en.pdf
https://cepr.org/system/files/publication-files/173807-geneva_25_climate_and_debt.pdf