https://www.rand.org/pubs/research_reports/RR2200.html
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/638958/Continuity_in_the_availability_of_goods_for_the_EU_and_the_UK_Position_Paper.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/780/780.pdf
https://blogs.lse.ac.uk/brexit/2020/03/09/brexit-is-a-policy-fiasco-were-voters-deceived-during-the-referendum/