https://committees.parliament.uk/oralevidence/2766/pdf/
https://www.socialeurope.eu/lexit-fallacies
http://europa.eu/rapid/press-release_IP-18-463_en.htm
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6452&CESifoWP.search=+