https://www.hesa.ac.uk/data-and-analysis/publications/finances-2015-16/introduction
https://www.brookings.edu/blog/future-development/2022/06/27/targeted-legislative-tweaks-can-help-contain-the-harm-of-debt-crises/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=218267785&utm_source=hs_email
https://www.reuters.com/world/europe/germanys-government-looks-inward-challenges-mount-allies-fret-2022-12-08/
https://www.bruegel.org/sites/default/files/2023-06/PB%2012%202023.pdf