https://www.socialeurope.eu/2017/07/road-soft-brexit/
http://bruegel.org/wp-content/uploads/2017/03/WP_2017_03-.pdf
https://www.cer.eu/sites/default/files/insight_SL_5.11.19_2.pdf
https://www.opendemocracy.net/neweconomics/brexit-global-south-time-end-free-trade-imperialism/