https://gabriel-zucman.eu/files/TWZ2020b.pdf
https://www.nuffieldtrust.org.uk/news-item/what-can-the-new-government-learn-from-other-countries-attempts-to-reform-pay-in-social-care-0
https://economiesuisse.ch/de/artikel/oecd-mindeststeuer-es-gibt-keine-fairere-verteilung
https://www.brookings.edu/blog/up-front/2023/01/25/how-worried-should-we-be-if-the-debt-ceiling-isnt-lifted/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=243260050&utm_source=hs_email