We analyse a (differentiated good) industry where an incumbent firm owns a network good (essential input) and faces potential competition in the (downstream) retail market. Unlike the traditional approach, we consider a scenario where the decision to compete or not in the downstream segment is...

This paper compares two types of access pricing: a two-part tariff where the fixed part aims to cover (part of) the network's fixed cost and the variable part covers the network's usage costs and a single tariff where both the usage and (part of) the infrastructure costs are covered by a...

We analyze the incentives of internet service providers (ISPs) to break net neutrality by excluding internet applications competing with their own products, a typical example being the exclusion of VoIP applications by telecom companies offering internet and voice services. Exclusion is not a...