https://www.boeckler.de/pdf/p_wsi_report_52_2019.pdf
https://www.socialeurope.eu/the-german-debt-brake-reform-urgent
https://www.bloomberg.com/opinion/articles/2020-02-11/euro-s-decline-reflects-political-turmoil-economic-woes?cmpid=BBBXT021120_BIZ&utm_medium=email&utm_source=newsletter&utm_term=200211&utm_campaign=brexit
http://www.ips-journal.eu/topics/european-union/article/show/the-real-state-of-the-european-economy-2287/