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 …

(off-net) networks is shown to restore competition. This regulation requires neither demand data nor information about call …We analyse competition between perfectly substitutable networks. Monopolization can be sustained in equilibrium by … asymmetric access prices whereby entry is deterred by a set of margin squeezes. A regulatory package consisting of (i) mandatory …

, incomplete and irregular network can be stable, with firms observing high variance signals acting as "critical nodes". Finally …, when signals are correlated, the empty network may not be pairwise stable when the number of firms and/or correlation are …

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 …

This paper evaluates whether competition hinders or spurs investment in a network industry. When a network is split … consumers and network operators, and consider Rwanda's decision to delay the introduction of competition. I show that there is a … between competitors, potential network effects are foregone. However, a firm may invest in components that are not shared, to …

for regulation; the essential functions provided by network operators; and whether regulations should be applied … particular, the extent to which network operators can fully recover the costs of historic investments, and the efficiency and … symmetrically to traditional and alternative suppliers. Depending on the pace and scale of the decline, regulation may need to adapt …

of the problem and can make access regulation unnecessary. For instance, inducing mobile operators to apply RPP instead …

Self-supply can destabilize the finance of a distribution network. This paper analyses under which circumstances the … tariff structure of a distribution network is stable or unstable under pressure of self-supply and provides recommendation …-reinforcing dynamics in relation to volumetric network tariffs and surcharges in networks with a high propensity for self-supply. We model …

, challenge antitrust and regulation policy. The paper focuses on the theoretical and methodological basis provided by the New … specific view of NIE at industrial organization, antitrust and regulation, discusses three current issues - the European policy …