https://www.socialeurope.eu/2017/05/rethinking-german-economic-policy/
https://www.brookings.edu/opinions/the-approaching-debt-wave/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=82830565
https://www.socialeurope.eu/the-right-macroeconomic-policies-for-a-europe-saving-too-much
http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf