https://www.sbs.strath.ac.uk/economics/fraser/20170322/FEC-Vol41-No1.pdf
https://www.aspistrategist.org.au/the-eu-needs-fiscal-union/
https://www.brookings.edu/opinions/the-approaching-debt-wave/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=82830565
https://www.brookings.edu/articles/as-local-governments-finalize-their-american-rescue-plan-priorities-some-dollars-have-become-easier-to-spend/