https://www.boeckler.de/pdf/p_imk_study_55_2017.pdf
http://blogs.lse.ac.uk/europpblog/2018/11/09/germanys-non-rebalancing-of-its-mercantilist-model/?fbclid=IwAR27iG5mvfm7OhdEvLvAgSDfPWaVzY7AgWp2WCZ278P3NblPgDgEqqWDkGI
https://static1.squarespace.com/static/5afc0bbbf79392ced8b73dbf/t/5b07d7ce1ae6cf2a4178f587/1527240672975/SGC_Full_Report.pdf
https://corporateeurope.org/sites/default/files/attachments/recruitment_errors.pdf