https://www.sbs.strath.ac.uk/economics/fraser/20170322/FEC-Vol41-No1.pdf
https://www.socialeurope.eu/2017/06/understanding-productivity-puzzle/
https://www.socialeurope.eu/fighting-for-social-europe-when-europe-is-at-war
https://www.socialeurope.eu/2017/06/new-reforms-envisaged-brussels-path-towards-austerity-italy/