
https://www.boeckler.de/pdf/p_imk_study_55_2017.pdf

https://www.imf.org/-/media/Files/Publications/REO/EUR/2022/April/English/text.ashx

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