https://www.socialeurope.eu/structural-reforms-labour-markets-impair-innovation
http://www.bsa.natcen.ac.uk/latest-report/british-social-attitudes-34/key-findings/context.aspx?_ga=2.25464057.552181158.1498632950-1412959047.1496247036
https://www.socialeurope.eu/2017/07/time-eu-fair-movement-directive/