http://www.morganstanley.com/ideas/global-trade-protectionism
https://theconversation.com/uk-and-eu-sign-new-trade-fishing-and-defence-deal-what-do-economists-think-257052
https://www.thelancet.com/action/showPdf?pii=S2214-109X%2825%2900189-5
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/