https://www.socialeurope.eu/wp-content/uploads/2017/06/EURO-web.pdf
http://www.cesifo-group.de/ifoHome/facts/DICE/Banking-and-Financial-Markets/Financial-Markets/Financial-Market-Regulation/DR-2017-1-oez-wech-macroprud-pol/fileBinary/DR-2017-1-oez-wech-macroprud-pol.pdf
https://www.nber.org/system/files/working_papers/w27488/w27488.pdf
https://www.politico.eu/article/eu-warn-financial-risk-andorra-monaco-san-marino/