https://www.ecb.europa.eu/press/accounts/2020/html/ecb.mg200409_1~baf4b2ad06.en.html
https://www.linkiesta.it/2020/05/cosa-ha-davvero-deciso-la-corte-tedesca-bce-quantitative-easing/
https://www.boeckler.de/fpdf/HBS-008373/p_wsi_report_77e_2022.pdf
https://www.ippr.org/files/2018-03/cej-our-common-wealth-march2018.pdf