
https://www.sbs.strath.ac.uk/economics/fraser/20170322/FEC-Vol41-No1.pdf

https://www.project-syndicate.org/commentary/global-economy-downside-risks-by-nouriel-roubini-2017-06

http://www.ips-journal.eu/topics/european-union/article/show/eu-assurance-co-2037/