https://www.nuffieldtrust.org.uk/files/2017-07/learning-from-scotland-s-nhs-final.pdf
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-ns-cadres-02-juillet.pdf
https://www.brookings.edu/articles/increasing-ssi-benefits-is-a-more-effective-approach-to-reducing-poverty-than-an-enhanced-social-security-minimum-benefit/