This paper develops a method to analyze the effects of competition policy in a network industry. Competition has mixed … effects on incentives to invest: when a network is split between competitors, each captures only a fraction of potential … network effects. However, a firm may invest in components that are not shared, to attract customers to its network. I …

network industries. In this paper, we analyse interconnection in a deregulated network where the participants compete in the … incumbent. In the later case, network externalities allow the incumbent to use the terms of interconnection to maintain its … dominant position. Moreover, in either case, competition in the retail market can be undermined by collusion over access prices …

in network industries. In this paper, we analyze interconnection in a deregulated network where the participants compete … the incumbent. In the latter case, network externalities allow the incumbent to use the terms of interconnection to … maintain its dominant position. Moreover, in either case, competition in the retail market can be undermined by collusion over …

particular, the extent to which network operators can fully recover the costs of historic investments, and the efficiency and … for regulation; the essential functions provided by network operators; and whether regulations should be applied …

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

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 …

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 …