https://wiiw.ac.at/keeping-friends-closer-why-the-eu-should-address-new-geoeconomic-realities-and-get-its-neighbours-back-in-the-fold-dlp-6487.pdf
https://voxeu.org/system/files/epublication/Economics%20of%20Brexit.pdf
https://view.email.nzz.ch/?qs=a85203d2effa8cc1faa3ab144cf1943c4a23ed993d784bf2fe0a388ea4888eccfc14316e93e0269d0e2ee977e5a3905ee8c0d89191a426fe19aa026f774bc765a28c751312219b2218e7783ecd38a9f2