https://www.eca.europa.eu/ECAPublications/RV-2023-04/RV-2023-04_EN.pdf
http://berlinpolicyjournal.com/the-bottom-forty-percent-have-not-benefited/
https://sipri.org/sites/default/files/2017-09/yb17-summary-eng.pdf
https://www.project-syndicate.org/commentary/global-economy-downside-risks-by-nouriel-roubini-2017-06