https://www.bruegel.org/sites/default/files/2023-09/PB%2017%202023.pdf
https://lawliberty.org/book-review/the-canary-in-the-feds-coal-mine/
CONTEXT ROLE OF GERMANY THE TAXES CONSIDERED GRAND THEMES OF THE EUROPEAN DIALOGUE ECONOMIC ...
https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf