I generalize the workhorse model of network competition (Armstrong, 1998; Laffont, Rey and Tirole, 1998a,b) to include … stylized facts: The networks have an incentive to agree on high mobile termination rates to soften competition. They charge a … workhorse model of network competition …

We analyse competition between perfectly substitutable networks. Monopolization can be sustained in equilibrium by … (off-net) networks is shown to restore competition. This regulation requires neither demand data nor information about call …

A model of competition between two interconnected cellular networks is presented which shows the effects of cellular … termination charges on competition and market penetration in the cellular sector. We show that the determination of cellular … fixed-to-cellular prices are determined under perfect competition …

We develop a model of competition between interconnected networks, with separate local and long-distance markets …, allowing for various degrees of symmetry between carriers. Assuming two part pricing, we show that effective competition can be … interconnected local networks want to agree on cost based interconnection charges, but that through competition for local market …

standard should be overseen by an agency to ensure it serves to protect competition, lower entry barriers, and erode market …

services, and rail and air transport. Competition policy is discussed with respect to: the relation between regulation and … competition policy; the role of the EC Court; the 'essential facility' doctrine; defining relevant markets; and merger control in …

I generalize the workhorse model of network competition to include income effects in call demand. Empirical work has …

This paper develops a method to analyze the effects of competition policy in a network industry. Competition has mixed … Rwanda's decision to delay the introduction of competition. I show that there is a policy under which adding a competitor …