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://theconversation.com/los-desafios-del-patrimonio-cultural-negativo-225853
https://scholar.harvard.edu/files/aghion/files/social_origins_of_inventors.pdf