http://sydneydemocracynetwork.org/article-brexit-yes-will-suffer-well/
https://policyexchange.org.uk/wp-content/uploads/2017/06/Defying-Gravity-A-critique-of-estimates-of-the-economic-impact-of-Brexit.pdf
http://www.reuters.com/article/us-britain-eu-verhofstadt-idUSKBN19V0WP
https://institute.global/news/brexit-what-we-now-know