https://library.fes.de/pdf-files/wiso/14700.pdf
https://data.consilium.europa.eu/doc/document/ST-6437-2022-INIT/fr/pdf
https://pure.royalholloway.ac.uk/portal/files/26649214/arkolakis_doxiadis_galenianos_greek_trade_adjustment_september_2014.pdf
https://www.naco.org/sites/default/files/documents/Analysis-of-COVID-19s-Impact-on-County-Finances-and-Implications-for-the-US-Economy.pdf