Marin, Jorge Barrientos, and Hector Gomez Marin. “Oligopoly and Collusion in the Colombian Electricity Market”. International Journal of Energy Economics and Policy 12, no. 3 (May 18, 2022): 125–134. Accessed November 24, 2024. https://econjournals.com/index.php/ijeep/article/view/12883.