https://www.ipg-journal.de/rubriken/demokratie-und-gesellschaft/artikel/zurueck-in-den-untergrund-6549/
https://foreignaffairs.house.gov/_cache/files/a/5/a51ee680-e339-4a1b-933f-b15e535fa103/AA2A3440265DDE42367A79D4BCBC9AA1.whdpc-final-report-2020-11.30.pdf
https://www.bankofengland.co.uk/-/media/boe/files/speech/2020/the-health-wealth-and-happiness-of-nations-slides-by-andy-haldane.pdf?la=en&hash=1F10D162E37B5BFE2E0DFCF48A7743A1F7A7B384