https://blogs.lse.ac.uk/brexit/2019/10/15/the-curve-of-inequality-and-the-brexit-way/
https://www.opendemocracy.net/uk/anthony-barnett/englishman-scotswoman-and-irishman-talk-about-brexit?utm_source=Daily+Newsletter&utm_campaign=d6dd65c541-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-d6dd65c541-407405485
https://www.iwh-halle.de/fileadmin/user_upload/publications/iwh_discussion_papers/iwh-discussion-paper_2019-04_Brautzsch_Holtemoeller.pdf
https://eupinions.eu/index.php?id=12463