
https://www.brookings.edu/articles/the-hutchins-center-explains-the-neutral-rate-of-interest/

https://www.esrb.europa.eu/pub/pdf/wp/esrbwp21.en.pdf

https://cepr.org/system/files/publication-files/190449-geneva_26_the_art_and_science_of_patience_relative_prices_and_inflation.pdf