https://www.economiesuisse.ch/de/artikel/gut-so-trotz-zinspause-wird-die-geldpolitik-straffer
http://www.ips-journal.eu/regions/europe/article/show/myth-of-the-echo-chamber-2135/
https://www.ecb.europa.eu/pub/pdf/other/ecb.escblegalconferenceproceedings201812.en.pdf
https://www.veblen-institute.org/Editorial-Assumer-l-impot