OBS_VALUE: Is an agente económico preponderante the firm that holds more than 50% of participation in the sector. In 2014, the regulatory body (IFT) declared the economic interest group consisting of  America Movil, Telmex, Telnor, Grupo Carso and Grupo Inbursa, as dominant supplier in the telecommunication sector and imposed asymmetric regulation. More information on the 2020 telecommunications market analysis: https://www.gob.mx/cms/uploads/attachment/file/551880/Evolucion_y_Cambio_en_oferta_de_servicios_de_Telecomunicaciones_Profeco.pdf.To access the IFT resolution, please use the P/IFT/EXT/060314/76 reference in the Buscador de Resoluciones del Pleno.