https://www.tni.org/files/publication-downloads/marketforces-report-tni-statewatch.pdf
https://www.brookings.edu/wp-content/uploads/2020/04/fp_20200402_coronavirus_policing.pdf
https://www.sachverstaendigenrat-wirtschaft.de/fileadmin/dateiablage/gutachten/jg202223/JG202223_Gesamtausgabe.pdf
https://www.gsb.stanford.edu/gsb-box/route-download/621098