https://scholar.harvard.edu/files/rogoff/files/nber26760_why_is_euro_punching_below_its_weight.pdf
https://www.brookings.edu/blog/up-front/2021/06/28/how-does-the-government-measure-inflation/
https://www.bloomberg.com/news/articles/2019-06-14/the-eu-had-to-plan-for-worst-when-greece-almost-ran-out-of-money?cmpid=BBBXT061719_BIZ&utm_medium=email&utm_source=newsletter&utm_term=190617&utm_campaign=brexit
http://www.oecd.org/eco/outlook/Better-but-not-good-enough-oecd-economic-outlook-presentation-june-2017.pdf