https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf
https://cepr.org/system/files/publication-files/190449-geneva_26_the_art_and_science_of_patience_relative_prices_and_inflation.pdf
https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf