
https://publications.parliament.uk/pa/cm201719/cmselect/cmworpen/769/769.pdf

https://www.pymnts.com/news/b2b-payments/2020/deloitte-becomes-first-of-big-four-to-break-up-business/

https://www.project-syndicate.org/commentary/global-economy-downside-risks-by-nouriel-roubini-2017-06