
http://blogs.lse.ac.uk/brexit/2017/05/24/from-brexit-to-european-renewal-the-fracture-of-the-social-contract-underlays-the-current-turmoil/

http://documents.worldbank.org/curated/en/356091537360897955/pdf/WPS8588.pdf

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