https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf
https://capx.co/the-rosbif-in-chief-why-the-french-love-boris-johnson/?utm_source=Sailthru&utm_medium=email&utm_campaign=WaughZone%20June%203&utm_term=uk-politics
https://www.bloomberg.com/news/articles/2017-06-01/soros-says-brexit-may-last-5-years-and-cause-immense-damage?cmpid=BBBXT060217_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170602&utm_campaign=brexit
http://www.rug.nl/research/portal/files/41711829/cesifo1_wp6448.pdf