https://www.federalreserve.gov/newsevents/speech/files/powell20200827a.pdf
https://www.oecd.org/tax/beps/public-consultation-document-secretariat-proposal-unified-approach-pillar-one.pdf
https://www.boeckler.de/pdf/p_imk_report_152e_2020.pdf
http://www.resolutionfoundation.org/app/uploads/2017/01/Audit-2017.pdf