https://www.economiesuisse.ch/de/artikel/globale-umverteilung-der-firmensteuern-mit-fragezeichen
https://www.bancaditalia.it/pubblicazioni/interventi-governatore/integov2022/Visco_09092022.pdf
https://www.resolutionfoundation.org/app/uploads/2019/11/The-shape-of-things-to-come.pdf
https://www.pass.va/content/dam/casinapioiv/pass/pdf-booklet/2025_jubilee_report.pdf