https://economiesuisse.ch/de/artikel/oecd-mindeststeuer-es-gibt-keine-fairere-verteilung
https://www.bruegel.org/wp-content/uploads/2021/09/PC-2021-18-0909.pdf
https://www.imf.org/-/media/Files/Publications/Fandd/Article/2022/June/Prasad.ashx
https://www.socialeurope.eu/progressive-taxation-for-a-renewed-social-contract