https://www.fraserinstitute.org/sites/default/files/populism-majority-rule-and-economic-freedom-ch3.pdf
https://www.volckeralliance.org/sites/default/files/attachments/RebuildersDilemma_Final.pdf
http://www.standard.co.uk/news/politics/boris-johnson-backed-by-ukip-in-general-election-a3530371.html