http://www.resolutionfoundation.org/app/uploads/2018/02/IC-international.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/974507/20210331_-_CRED_Report_-_FINAL_-_Web_Accessible.pdf
https://www.project-syndicate.org/commentary/g20-solutions-to-ending-inequality-by-helle-thorning-schmidt-2017-07
https://curia.europa.eu/jcms/upload/docs/application/pdf/2020-04/cp200040en.pdf