https://www.perfandersson.com/uploads/1/2/7/5/127505228/andersson_2022_cp_accepted_version.pdf
https://blogs.imf.org/2019/04/10/high-debt-hampers-countries-response-to-a-fast-changing-global-economy/?utm_medium=email&utm_source=govdelivery
https://www.eppgroup.eu/download/file/t5F7fWVHAho9XFLF3fGb3HMHOc_fBpiq-JJIhg_2alGxibc6qNgf4Xn7KKgAAAACEQU0OTEyMw
http://www.ips-journal.eu/regions/europe/article/show/a-banking-union-without-unity-2181/