
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2019-na83-gains-monetaires-decembre.pdf

https://www.fraserinstitute.org/sites/default/files/populism-majority-rule-and-economic-freedom-ch3.pdf

https://wms.flexious.be/editor/plugins/imagemanager/content/2140/PDF/2020/EU_Online_Survey_-_Preliminary_report_final-2.pdf