https://www.brookings.edu/articles/the-hutchins-center-explains-the-neutral-rate-of-interest/
https://www.bancaditalia.it/media/approfondimenti/2019/pop-bari/approfondimenti-popBari.pdf
https://gabriel-zucman.eu/files/TWZ2020b.pdf
https://www.politico.eu/wp-content/uploads/2023/09/18/Les-10-experts-du-budget-2024-POLITICO-Pro.pdf