https://www.ccomptes.fr/system/files/2022-07/20220707-synthese-RSPFP.pdf
https://www.ecb.europa.eu/pub/pdf/ecbu/eb201703.en.pdf?ea7747ab0ef3b038300a8d51a3a95313
https://www.riksbank.se/sv/press-och-publicerat/nyheter-och-pressmeddelanden/pressmeddelanden/2019/reporantan-hojs-till-noll-procent/
https://www.boeckler.de/fpdf/HBS-008373/p_wsi_report_77e_2022.pdf