https://www.socialeurope.eu/tax-on-billionaires-political-vaccine-against-the-far-right
https://www.economiesuisse.ch/de/artikel/kluge-steuerpolitik-bringt-wohlstand
http://ec.europa.eu/finance/docs/law/171011-communication-banking-union_en.pdf
https://www.bruegel.org/sites/default/files/2023-09/PB%2017%202023.pdf