https://socialeurope.eu/the-left-must-embrace-fiscal-restructuring
https://verfassungsblog.de/the-good-the-bad-and-the-ugly-2/
https://www.hesa.ac.uk/data-and-analysis/publications/finances-2015-16/introduction
https://www.riksbank.se/sv/press-och-publicerat/nyheter-och-pressmeddelanden/pressmeddelanden/2019/reporantan-hojs-till-noll-procent/