https://cepr.org/sites/default/files/policy_insights/PolicyInsight92.pdf
http://www.ebrd.com/news/events/ebrd-transition-report-201718.html
http://library.fes.de/pdf-files/bueros/rom/16042.pdf
https://uk.finance.yahoo.com/news/britain-public-finances-worse-gambia-153245680.html