https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/248/248.pdf
https://docs.iza.org/dp16728.pdf
http://fedtrust.co.uk/the-2017-general-election-a-mandate-for-brexit/
https://www.eppgroup.eu/newsroom/news/epp-group-warns-against-britain-becoming-tax-haven