https://blogs.imf.org/2019/01/17/building-defenses-against-the-next-economic-downturn/?utm_medium=email&utm_source=govdelivery
https://www.opendemocracy.net/neweconomics/pfi-privatisation-national-accounting-rules-encourage-destructive-decisions-time-change/
http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:12016P/TXT&from=EN