consumers. The regulator designs a mechanism that guarantees financing of the essential input and adequate competition in the … competitor. We show that this mechanism is welfare improving but it generates inefficient entry. That is a more efficient …

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 …

complementarity. -- competition ; complementarity ; concentration ; regulation, separation, substitutability. …

informational problems. We show that, as a consequence of this trade-off, more intense competition in unregulated segments of the … can lead to a softer merger policy when competition is weaker. …

Network shares and retail prices are not symmetric in the telecommunications market with multiple bottlenecks which … give rise to new questions of access fee regulation. In this paper we consider a model with two types of asymmetry arising … from different entry timing, i.e. a larger reputation for the incumbent and lower cost of servicing for the entrant as a …

Network shares and retail prices are not symmetric in the telecommunications market with multiple bottlenecks which … give rise to new questions of access fee regulation. In this paper we consider a model with two types of asymmetry arising … from different entry timing, i.e. a larger reputation for the incumbent and lower cost of servicing for the entrant as a …

European mobile communication markets are two-stage markets which are composed of the infrastructure (the network and … its components) and the service markets (telephony, mobile internet, SMS). In contrast to most other network-based markets … there are multiple fully integrated providers which keep their own network and offer services on their network. Following …

under competition law-based sector governance (the period from 1987 to 2001) and under industry-specific regulation (2001 to …-specific regulation, however, transfers to consumers appear to have reduced, transaction costs have increased and delays are being … incurred in the deployment of new applications and technologies relative to the competition law regime as participants engage …

Although the allocative efficiency benefits of competition are a tenet of microeconomic theory, the relation between … competition and technical efficiency is less well understood. Neoclassical models of profit-maximization subsume static cost …-minimizing behavior regardless of market competitiveness, but agency models of managerial behavior suggest possible scope for competition …

and entry phases of the industry, the nature of competition is substantially affected by such price discrimination … between rival operators and studied competition between interconnected networks, under the assumption of non … subscriber's network and those terminating on a rival's network. This creates a price differential between services that are …