
https://www.socialeurope.eu/2017/07/european-welfare-states-perform/

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.gov.uk/government/uploads/system/uploads/attachment_data/file/680185/Governor_letter_to_CX_-_Feb_2018.pdf