https://blogs.imf.org/2019/10/18/reform-doesnt-have-to-cost-votes/?utm_medium=email&utm_source=govdelivery
http://www.cam.ac.uk/research/news/cognitive-flexibility-associated-with-voting-attitudes-in-eu-referendum-study-finds
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—cabinet/documents/genericdocument/wcms_371208.pdf