Ventosa-Santaulària, Daniel, Alexander Elbittar, Pedro Matías, and Carlos Aguilar Huerta. “Saturation Levels of Mobile Telecommunications Markets and Optimal Termination Rates”. Estudios Económicos de El Colegio de México 35, no. 2 (July 1, 2020): 331–355. Accessed March 29, 2024. https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/406.