https://www.socialeurope.eu/why-such-disparity-between-unemployment-rates-in-europe
http://researchbriefings.files.parliament.uk/documents/CBP-7484/CBP-7484.pdf
https://economicgraph.linkedin.com/resources/linkedin-workforce-report-uk-april-2018
https://www.socialeurope.eu/2017/06/oecd-joined-campaign-higher-wages/