Solano-Benavides, Elcira, and Nelson Alandete-Brochero. 2024. “Causality and Volatility in the Colcap Index of the Colombian Stock Exchange As a Result of Covid-19 Infections and Deaths”. Ingeniería Y Competitividad 26 (1):e-20412930. https://doi.org/10.25100/iyc.v26i1.12930.