Gutiérrez Betancur, Juan Carlos, David Mejía Kambourova, and Laura Gómez Cardeño. “Credit Risk, Cost of Capital and Excessive Financial Leverage”. Ecos de Economía 23, no. 49 (February 28, 2020): 45–70. Accessed April 25, 2024. https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/6345.