https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf
http://www.oecd-ilibrary.org/docserver/download/5jlv2jhfnt48-en.pdf?expires=1494939516&id=id&accname=guest&checksum=08592067325A17BFB82AC6F6E15110B2
https://www.project-syndicate.org/commentary/quantitative-easing-has-fueled-financial-instability-by-robert-skidelsky-2021-09?utm_source=newsletter&utm_medium=email&utm_campaign=15%2F09%2F21
https://www.socialeurope.eu/the-discreet-but-dubious-charm-of-tax-treaties