https://www.omfif.org/analysis/commentary/2017/june/uk-risks-falling-behind-europe/
https://rhg.com/wp-content/uploads/2022/03/RHG-US-Policy-to-Reduce-Russian-Energy-Leverage.pdf
https://www.sachverstaendigenrat-wirtschaft.de/fileadmin/dateiablage/gutachten/jg201819/JG2018-19_gesamt.pdf
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