http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf
https://wiiw.ac.at/do-interest-growth-differentials-affect-fiscal-policy-evidence-for-advanced-economies-dlp-6694.pdf
http://norden.diva-portal.org/smash/get/diva2:1095959/FULLTEXT02.pdf