https://brc.org.uk/media/674001/a-fair-deal-for-consumers-february-2020.pdf
https://www.mckinsey.com/mgi/our-research/the-complication-of-concentration-in-global-trade
http://www.belfasttelegraph.co.uk/news/general-election-2017/comment/brexit-is-neither-a-partitionmaker-nor-a-partitionbreaker-that-decision-will-rest-with-northern-ireland-voters-35684229.html
http://library.fes.de/pdf-files/iez/13375.pdf