https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf
https://files.taxfoundation.org/20221013150933/International-Tax-Competitiveness-Index-2022.pdf
https://www.bloomberg.com/graphics/2019-european-capital-markets/
https://www.ecb.europa.eu/pub/pdf/ecbu/eb201703.en.pdf?ea7747ab0ef3b038300a8d51a3a95313