https://www.socialeurope.eu/2017/06/eurozones-hidden-strength/
https://economiesuisse.ch/de/artikel/oecd-mindeststeuer-es-gibt-keine-fairere-verteilung
https://knowledge.wharton.upenn.edu/article/why-are-the-markets-collapsing-how-bad-will-covid-19-really-be/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-03-17
https://www.suerf.org/docx/f_ec43638b66e16a5bbede9b710b12b0c7_32333_suerf.pdf