http://www.rug.nl/research/portal/files/41711829/cesifo1_wp6448.pdf
https://ec.europa.eu/info/sites/info/files/com-2018-890-final.pdf
https://theconversation.com/is-eu-regulation-really-so-bad-for-the-uk-83193
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf