http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech968.pdf
https://www.barrons.com/articles/future-returns-spacs-when-the-target-company-is-tbd-01603810079?cid=other-eml-onp-mip-mck&hlkid=e77502b9c32a4724a05fbae4e6813346&hctky=2073353&hdpid=acdf37a9-6028-47ac-af1d-5c4f8ca24a69
https://fr.weforum.org/agenda/2019/12/manifeste-de-davos-2020-l-objectif-universel-d-une-entreprise-dans-la-quatrieme-revolution-industrielle
https://www.occrp.org/en/daily/13413-complaint-phillip-morris-smuggled-smokes-distorted-data