https://www.crfb.org/blogs/whats-latest-build-back-better-framework
https://www.socialeurope.eu/austerity-a-cyclical-tale
https://www.bancaditalia.it/compiti/riserve-portafoglio-rischi/cis/Presentazione_CIS_5.07.2021.pdf?language_id=1
https://www.bundesfinanzministerium.de/Content/DE/Downloads/Broschueren_Bestellservice/2019-08-08-die-wichtigsten-steuern-im-internationalen-vergleich-2018-ausgabe-2019.pdf?__blob=publicationFile&v=5