https://fabiusmaximus.com/2016/10/16/stratfor-eu-budget-battles-after-brexit/
http://ukandeu.ac.uk/wp-content/uploads/2018/10/The-mechanics-of-a-further-referendum-on-Brexit-Constitution-Unit-Report-1.pdf
https://www.esri.ie/system/files/publications/QEC2023SPR_0.pdf
http://www.oxera.com/Latest-Thinking/Publications/Reports/2017/Brexit-ports.aspx