http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/224244/evidence-british-influence.pdf
http://www.euractiv.com/section/economy-jobs/news/eu-to-grow-faster-despite-brexit-turmoil/
https://economy2030.resolutionfoundation.org/wp-content/uploads/2023/06/Trading-Up.pdf