
https://www.socialeurope.eu/seven-surprising-facts-about-the-italian-economy

https://www.nber.org/system/files/working_papers/w28598/w28598.pdf

https://www.greatbritishpolitics.co.uk/europe/654-dual-nationality-and-the-hurdles-facing-britons-who-want-to-keep-eu-citizenship-after-brexit.html