
https://www.devcommittee.org/sites/dc/files/download/Documents/2023-03/Final_DC2023-0002%20evolution%20paper.pdf

https://www.naco.org/sites/default/files/documents/Analysis-of-COVID-19s-Impact-on-County-Finances-and-Implications-for-the-US-Economy.pdf

https://www.ipg-journal.de/regionen/global/artikel/detail/die-pandemie-profiteure-4454/