
https://www.brookings.edu/wp-content/uploads/2018/04/workingpaper114-elephantchartrevisited.pdf

https://www.brookings.edu/articles/increasing-ssi-benefits-is-a-more-effective-approach-to-reducing-poverty-than-an-enhanced-social-security-minimum-benefit/

http://www.liberation.fr/france/2014/03/07/les-elections-n-ont-jamais-ete-concues-pour-etre-democratiques_985329