http://blogs.lse.ac.uk/brexit/2017/08/11/book-review-shifting-baselines-of-europe/
http://ftp.zew.de/pub/zew-docs/dp/dp20002.pdf
https://worldjusticeproject.org/rule-of-law-index/downloads/INDEX_2022-digital.pdf
https://www.bruegel.org/sites/default/files/2022-09/PC%2015%202022_0.pdf