http://HTTPS://WWW.OPENDEMOCRACY.NET/NEWECONOMICS/BREXIT-ECONOMIC-CATASTROPHE-MUST-STOPPED/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/677268/Letter_to_Business_Leaders__1_.pdf
https://www.iwh-halle.de/fileadmin/user_upload/publications/iwh_discussion_papers/iwh-discussion-paper_2019-04_Brautzsch_Holtemoeller.pdf