
https://www.regjeringen.no/globalassets/upload/kilde/fkd/red/2004/0009/ddd/pdfv/228920-nilf_rapport_2004_9_s.pdf

https://www.tuc.org.uk/news/cbi-and-tuc-call-prime-minister-change-brexit-approach?language=cy

https://www.irishtimes.com/business/financial-services/brexit-shrank-uk-services-exports-by-110bn-academics-find-1.4580394