https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1663en.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef22040en.pdf
https://wiiw.ac.at/migration-or-automation-recommendations-for-how-to-better-navigate-labour-shortages-in-the-eu-dlp-7283.pdf
http://blogs.lse.ac.uk/europpblog/2018/04/06/a-global-agenda-for-labour/