https://ukandeu.ac.uk/wp-content/uploads/2020/06/Mind-the-values-gap.pdf
https://blogs.lse.ac.uk/brexit/2021/02/04/indyref2-scottish-independence-would-be-2-3-times-more-costly-than-that-of-brexit-and-rejoining-the-eu-wouldnt-make-up-the-difference/
http://www.imf.org/en/News/Articles/2017/05/12/ms051217-ireland-staff-concluding-statement-of-the-2017-article-iv-consultation