
https://www.greeneuropeanjournal.eu/du-socle-europeen-de-droits-sociaux-a-leuro-dividende-le-choix-dune-europe-sociale-ambitieuse/

https://www.socialeurope.eu/2017/06/dispelling-creative-myths-lower-employment-protection/

https://www.brookings.edu/wp-content/uploads/2021/06/Moving-Up.pdf