https://www.economiesuisse.ch/de/artikel/gut-so-trotz-zinspause-wird-die-geldpolitik-straffer
http://www.fiscalcouncil.ie/wp-content/uploads/2017/06/Fiscal-Assessment-Report-June-2017-Final.pdf
http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech1001.pdf
https://corporateeurope.org/sites/default/files/attachments/recruitment_errors.pdf