
https://www.etui.org/content/download/36217/363575/file/F-B_07_EN_WEB.pdf

https://www.rec.uk.com/news-and-policy/press-releases/hiring-mistakes-are-costing-uk-businesses-billions-each-year-rec

https://www.brookings.edu/wp-content/uploads/2020/03/Del-Negro-et-al-Conference-Draft.pdf