https://committees.parliament.uk/publications/30492/documents/175947/default/
https://unctad.org/news/post-brexit-uk-exports-could-fall-32-billion-due-non-tariff-measures-and-tariffs
https://www.wto.org/english/res_e/booksp_e/wtr23_e/wtr23_e.pdf
https://www.rand.org/pubs/research_reports/RR2200.html