https://www.linkiesta.it/2020/05/cosa-ha-davvero-deciso-la-corte-tedesca-bce-quantitative-easing/
https://ukandeu.ac.uk/wp-content/uploads/2023/09/UKICE-Full-Fact-Policy-Landscape-2023.pdf
http://gabriel-zucman.eu/files/AJZ2017.pdf
https://www.consilium.europa.eu/media/54923/peg-letter-to-pec-march2022-signed.pdf