https://www.brookings.edu/articles/as-local-governments-finalize-their-american-rescue-plan-priorities-some-dollars-have-become-easier-to-spend/
https://wiiw.ac.at/do-interest-growth-differentials-affect-fiscal-policy-evidence-for-advanced-economies-dlp-6694.pdf
https://www.imf.org/~/media/Files/Publications/WEO/2018/October/English/c2.ashx?la=en