https://www.epp.eu/files/uploads/2017/04/11-EPP-Resolution-1-2.pdf
https://www.brookings.edu/blog/order-from-chaos/2018/07/31/its-time-for-the-united-states-and-europe-to-face-the-politics-of-cultural-displacement/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=64909281
https://www.socialeurope.eu/2017/06/answer-wages-not-capital/
http://blogs.lse.ac.uk/brexit/2018/05/15/switzerland-wanted-more-immigration-controls-but-economic-self-interest-will-probably-prevail/