https://www.boeckler.de/fpdf/HBS-008396/p_imk_pb_132_2022.pdf
https://www.linkiesta.it/2020/05/cosa-ha-davvero-deciso-la-corte-tedesca-bce-quantitative-easing/
https://data.oecd.org/natincome/net-lending-borrowing-by-sector.htm
https://institute.global/news/brexit-what-we-now-know