http://bruegel.org/wp-content/uploads/2017/03/WP_2017_03-.pdf
http://www.cer.eu/sites/default/files/bulletin_118_js-sl_article2.pdf
http://www.epc.eu/documents/uploads/pub_7576_northernirelandandbrexit.pdf
https://www.thecityuk.com/assets/2017/Reports-PDF/A-vision-for-a-transformed-world-leading-industry.pdf