https://think.ing.com/articles/four-scenarios-for-eurozone-reform-at-this-weeks-eu-summit/
https://www.consilium.europa.eu/media/45109/210720-euco-final-conclusions-en.pdf
https://www.ifo.de/DocDL/EEAG-2019-executive-summary.pdf
https://www.brookings.edu/blog/up-front/2023/01/25/how-worried-should-we-be-if-the-debt-ceiling-isnt-lifted/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=243260050&utm_source=hs_email