https://www.socialeurope.eu/2017/06/ten-thoughts-treaty-democratizing-euro-area-t-dem/
https://economiesuisse.ch/de/artikel/oecd-mindeststeuer-es-gibt-keine-fairere-verteilung
https://www.faz.net/aktuell/politik/inland/gastbeitrag-wolfgang-schaeuble-aus-eigener-staerke-16846887.html?utm_source=POLITICO.EU&utm_campaign=a80ea0a946-EMAIL_CAMPAIGN_2020_07_09_05_10&utm_medium=email&utm_term=0_10959edeb5-a80ea0a946-190380769
https://ukandeu.ac.uk/wp-content/uploads/2023/09/UKICE-Full-Fact-Policy-Landscape-2023.pdf