https://institute.global/news/the-inbetweener-brexit
https://www.niesr.ac.uk/sites/default/files/publications/NIESR%20Report%20Brexit%20-%202018-11-26.pdf
http://www.oecd.org/eco/outlook/economic-forecast-summary-united-kingdom-oecd-economic-outlook-june-2017.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm