1. Agur, I., Peria, S. M., & Rochon, C. (2020). Digital financial services and the pandemic: Opportunities and risks for emerging and developing economies. International Monetary Fund Special Series on COVID-19, Transactions, 1, 2-1.
2. Auer, R., Cornelli, G., & Frost, J. (2020). Covid-19, cash, and the future of payments (No. 3). Bank for International Settlements.
3. Beniwal, V., & Ghosh, S. (2020). Virus Boosts Digital Payments in India Where Cash Ban Failed. The Economic Times.
4. Carbo-Valverde, S., Cuadros-Solas, P., & Rodríguez-Fernández, F. (2020). A machine learning approach to the digitalization of bank customers: Evidence from random and causal forests. Plos one, 15(10), e0240362. https://doi.org/10.1371/journal.pone.0240362
5. Dahlgren, K. (2020). Covid-19 pushes digital banking adoption to the tipping point. Bank Administrative Institute Report.