https://blogs.lse.ac.uk/brexit/2019/10/15/the-curve-of-inequality-and-the-brexit-way/
http://www.realclearworld.com/articles/2017/04/17/a_us-uk_trade_agreement_and_the_trump_re-election_campaign_112297.html
https://ec.europa.eu/commission/sites/beta-political/files/slides_on_uk_technical_note_on_temporary_customs_arrangements.pdf