https://policyexchange.org.uk/wp-content/uploads/2017/06/Defying-Gravity-A-critique-of-estimates-of-the-economic-impact-of-Brexit.pdf
http://blogs.lse.ac.uk/brexit/2017/09/05/warning-the-cost-of-brexit-could-seriously-damage-your-health-service/
https://ormosi.wordpress.com/2017/06/06/brexit-uncertainty-fewer-mergers-big-business-winners/#more-566