
https://www.propublica.org/article/how-private-nonprofits-ultrawealthy-tax-deductions-museums-foundation-art

https://cepr.org/system/files/publication-files/173807-geneva_25_climate_and_debt.pdf

https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf