https://fabiusmaximus.com/2016/10/16/stratfor-eu-budget-battles-after-brexit/
https://ukandeu.ac.uk/wp-content/uploads/2021/09/Global-Britain-views-from-abroad.pdf
https://www.economiesuisse.ch/de/print/pdf/node/48305
https://www.ecb.europa.eu/pub/pdf/ecbu/eb201703.en.pdf?ea7747ab0ef3b038300a8d51a3a95313