https://www.socialeurope.eu/2017/06/dispelling-creative-myths-lower-employment-protection/
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf
http://ftp.iza.org/dp11249.pdf
https://www.socialeurope.eu/shareholder-value-versus-the-public-good-the-case-of-germany