https://www.aspistrategist.org.au/the-eu-needs-fiscal-union/
https://www.corriere.it/esteri/20_aprile_05/fondo-la-rinascita-f591fe90-775d-11ea-9a9a-6cb2a51f0129.shtml
https://www.riksbank.se/sv/press-och-publicerat/nyheter-och-pressmeddelanden/pressmeddelanden/2019/reporantan-hojs-till-noll-procent/