
https://blogs.lse.ac.uk/brexit/2019/12/03/a-missed-opportunity-revisiting-the-euro-referendum-that-never-was-from-a-historical-perspective/

https://wiiw.ac.at/do-interest-growth-differentials-affect-fiscal-policy-evidence-for-advanced-economies-dlp-6694.pdf

http://www.ips-journal.eu/regions/global/article/show/davos-2018-call-the-doctor-2544/