https://uk.finance.yahoo.com/news/businesss-government-lobbying-brexit-isnt-working-heres-143415309.html
http://www.independent.co.uk/news/uk/politics/article-127-brexit-stop-what-is-it-single-market-eu-eea-theresa-may-article-50-a7955806.html
https://www.socialeurope.eu/brexit-status-quo-ex-ante