https://www.linkiesta.it/2020/05/cosa-ha-davvero-deciso-la-corte-tedesca-bce-quantitative-easing/
https://www.brookings.edu/blog/up-front/2021/06/28/how-does-the-government-measure-inflation/
https://www.svensktnaringsliv.se/bilder_och_dokument/lltqqd_swedish-enterprise-the-us-ira_6-decpdf_1193461.html/Swedish+Enterprise+The+US+IRA_6+dec.pdf