https://blogs.lse.ac.uk/brexit/2019/10/23/long-read-the-makings-of-brexit-and-the-road-ahead/
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/421/421.pdf
https://voxeu.org/system/files/epublication/Economics%20of%20Brexit.pdf
http://www.res.org.uk/view/art4Apr17Features.html