https://santafe.edu/news-center/news/transmission-t-007-danielle-allen-e-glen-weyl-and-rajiv-sethi-how-reduce-covid-19-mortality-while-easing-economic-decline
https://openknowledge.worldbank.org/bitstream/handle/10986/36647/What-Has-Been-the-Impact-of-COVID-19-on-Debt-Turning-a-Wave-into-a-Tsunami.pdf?sequence=1&isAllowed=y
https://blogs.lse.ac.uk/europpblog/2022/03/04/are-ukrainian-values-closer-to-russia-or-to-europe/