
https://www.brookings.edu/articles/as-local-governments-finalize-their-american-rescue-plan-priorities-some-dollars-have-become-easier-to-spend/

https://economy-finance.ec.europa.eu/document/download/f5827354-8501-49cb-bf2d-13f2f7a9444f_en?filename=dp199_en.pdf

https://sosapadilla.github.io/files/papers/Bianchi_Sosa-Padilla_PP.pdf