A new paper “Efectos de la Reduccion de Tarifas de Terminacion Movil en el Bienestar en el Mercado de las Telecomunicaciones de Mexico“ by David Harbord and Steffen Hoernig was published in El Trimestre Economico, Vol. LXXX (3) julio-septiembre de 2013, pp. 651-686. The paper reports our estimates of the potential welfare gains from reducing mobile termination rates in Mexico, and finds these to be significant.