http://bruegel.org/wp-content/uploads/2017/03/WP_2017_03-.pdf
https://www.tuc.org.uk/news/cbi-and-tuc-call-prime-minister-change-brexit-approach?language=cy
http://europa.eu/rapid/press-release_IP-18-463_en.htm
http://www.resolutionfoundation.org/app/uploads/2017/10/Changing-Lanes-3.pdf