https://www.socialeurope.eu/germany-bows-to-keynes-again
http://www.ips-journal.eu/regions/europe/article/show/myth-of-the-echo-chamber-2135/
https://www.boeckler.de/pdf/p_imk_report_152e_2020.pdf
https://verfassungsblog.de/the-good-the-bad-and-the-ugly-2/