effect of infrastructure-based competition between xDSL broadband and cable-TV broadband subscriptions on investments. We use … inputs to the policy debate on broadband promotion. …

We study the impact of the access charges of copper and fiber unbundling on an incumbent's incentives to invest in … copper and fiber markets. We show that when the regulator can freely set either the copper or the fiber access charge, there … is a positive correlation between the fixed fiber (respectively, copper) access charge and the copper (respectively …

The purpose of this research is to evaluate the impact of vertical unbundling on German electric utilities. Our … supply. Overall, we have two main conclusions. First, the major step in the unbundling process is from "lean legal unbundling …" to "fat legal unbundling"; additional steps beyond that are small, both in benefits and in costs. Second, the benefits of …

What is a good balance between competition and coordination in network industries? Network unbundling aims to promote … competition, but this has to be balanced against the downside of unbundling: firm-internal coordination falls away and must be … coordination. This paper examines three persistent sources of flawed coordination: 1) a regulation versus unbundling dilemma, 2 …

In this paper we study how the coexistence of access regulations for legacy (copper) and fiber networks shapes the …