https://www.sciencedirect.com/science/article/pii/S0022199617301411
https://www.bruegel.org/wp-content/uploads/2021/05/PC-2021-11-ecofin-210521.pdf
http://www.resolutionfoundation.org/app/uploads/2017/01/Audit-2017.pdf
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