http://cep.lse.ac.uk/pubs/download/brexit11.pdf
https://blogs.sussex.ac.uk/uktpo/2017/09/01/the-eu-regulatory-magnet/
https://www.socialeurope.eu/2017/06/the-case-for-an-investment-state/
https://www.socialeurope.eu/2017/06/ten-thoughts-treaty-democratizing-euro-area-t-dem/