https://ippedico.github.io/website/ABIP_entrepreneurship_drain.pdf
http://uk.reuters.com/article/uk-britain-eu-banking-idUKKBN17Q26A?il=0
https://www.cer.eu/sites/default/files/insight_JS_JP_17.1.23.pdf
https://www.brookings.edu/articles/in-rural-alabama-a-test-for-talent-driven-economic-development/