https://blogs.sussex.ac.uk/uktpo/2017/06/12/animal-welfare-and-post-brexit-trade/
http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf
https://www.ifs.org.uk/publications/10302
https://www.banque-france.fr/sites/default/files/media/2019/04/17/ngfs_first_comprehensive_report_-_17042019_0.pdf