https://blogs.sussex.ac.uk/uktpo/2017/09/01/the-eu-regulatory-magnet/
https://docs.iza.org/dp16728.pdf
https://ceias.eu/beyond-the-dumpling-alliance/
https://www.theguardian.com/politics/2018/jul/18/dairy-products-may-become-luxuries-after-uk-leaves-eu