https://www.hks.harvard.edu/sites/default/files/centers/mrcbg/working.papers/84_Harvard%20Working%20PaperTime%20for%20ClarityFinPAS.pdf
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf
http://www.finfacts.ie/Irish_finance_news/articleDetail.php?Brexit-Northern-Ireland-s-industry-eclipsed-by-Republic-s-after-1961-803