https://www.socialeurope.eu/fears-and-hopes-around-future-minimum-wages
https://www.publications.parliament.uk/pa/ld201314/ldselect/ldeucom/164/164.pdf
https://www.ilo.org/wcmsp5/groups/public/@dgreports/@dcomm/documents/briefingnote/wcms_743146.pdf
https://www.socialeurope.eu/2017/07/german-wages-need-rise/