https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1663en.pdf
https://www.etui.org/sites/default/files/2023-04/Labour%20shortages-turning%20away%20from%20bad%20jobs_2023.pdf
http://www.britishchambers.org.uk/press-office/press-releases/bcc-firms-invest-in-local-labour-but-still-need-foreign-skills-to-plug-shortages.html
https://www.adamsmith.org/adam-smith-lecture/