León, César. “Study on the Probability of Business Loss Due to Low Demand in the Face of the COVID-19 Health Crisis in Latin America and the Caribbean”. Cuestiones Económicas 31, no. 3 (November 21, 2021): Autor: César León. Accessed November 14, 2026. https://estudioseconomicos.bce.fin.ec/index.php/RevistaCE/article/view/336.