https://openeurope.org.uk/today/blog/what-would-a-no-deal-after-the-transition-period-look-like/
http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf
https://www.theatlantic.com/international/archive/2019/10/brexit-journalism-failure/600580/
https://ukandeu.ac.uk/wp-content/uploads/2021/11/Brexit-and-Services-Trade-Working-Paper.pdf