
http://www.votewatch.eu/blog/alliances-matter-political-networks-the-rule-of-law-principles-and-the-split-of-eu-money-mff/

http://www.cesifo-group.de/portal/page/portal/DocBase_Service/studien/Studie-2017-Felbermayr-etal-Brexit-79843.pdf

https://ukandeu.ac.uk/the-european-political-community-is-born-now-what/?mc_cid=abde32d2c7&mc_eid=815b1928ec