A report submitted to Cofemer (Comision Federal de Mejora Regulatoria), Mexico. The report is available on the Cofemer website (comentario de particulares B001005107) here. 02 December 2010. 0 “Designing and Structuring the Secondary Market, Short-term Markets and their Management Mechanisms” “Call Externalities, Network Effects and Market Power: The Orange/T-Mobile Merger”