
https://www.bundesfinanzministerium.de/Content/DE/Downloads/Broschueren_Bestellservice/2019-08-08-die-wichtigsten-steuern-im-internationalen-vergleich-2018-ausgabe-2019.pdf?__blob=publicationFile&v=5

https://www.google.com/url?esrc=s&q=&rct=j&sa=U&url=https://qjae.mises.org/article/38058.pdf&ved=2ahUKEwi53cSVj4mDAxV8if0HHW-UAycQFnoECAIQAg&usg=AOvVaw3bzxr6Ovv1WObVUWPS8YTB

https://blogs.lse.ac.uk/europpblog/2022/08/17/threats-and-solidarity-in-the-eurozone-how-italian-and-german-citizens-respond-to-information-about-italexit/