http://www.economics-ejournal.org/economics/journalarticles/2017-10
https://cepr.org/sites/default/files/policy_insights/PolicyInsight92.pdf
https://www.socialeurope.eu/2017/06/answer-wages-not-capital/
https://www.ccomptes.fr/system/files/2022-07/20220707-synthese-RSPFP.pdf