Arteaga García, J.C., Cárdenas Rodríguez, O.J. and Flores Curiel, D. 2004. Privatization: Do prices rise or fall? Mixed duopoly with vertical differentiation. Estudios Económicos de El Colegio de México. 19, 2 (Jul. 2004), 141–157. DOI:https://doi.org/10.24201/ee.v19i2.175.