https://www.publications.parliament.uk/pa/ld201314/ldselect/ldeucom/164/164.pdf
http://uk.businessinsider.com/unemployment-in-the-uk-is-now-so-low-its-in-danger-of-exposing-the-lie-used-to-create-the-numbers-2017-7?r=US&IR=T
https://wiiw.ac.at/the-labour-market-entry-and-integration-of-refugees-and-other-migrants-in-austria-dlp-6700.pdf