This paper examines the impact of regulatory intervention to cut termination rates of calls from fixed lines to mobile phones. Under quite general conditions of competition, theory suggests that lower termination charges will result in higher prices for mobile subscribers, a phenomenon known as...

We re-consider the impact that regulation of call termination on mobile phones has had on mobile customers’ bills. Using a large panel covering 27 countries, we find that the “waterbed” phenomenon, initially observed until early 2006, becomes insignificant on average over the 10-year...

This paper compares the leader and follower payoff in a duopoly game, as they arise in sequential play, with the Nash payoff in simultaneous play. If the game is symmetric, has a unique symmetric Nash equilibrium, and players' payoffs are monotonic in the opponent's choice along their own best...

The existence of a negative relationship between cartel stability and the level of excess capacity in an industry has for a long time been the dominant view in the traditional IO literature. Recent supergame-theoretic contributions (e.g. Brock and Scheinkman, 1985) appear to show that this view...

This paper seeks to uncover why the pattern of equilibria in sequential merger games of a certain type is similar across a fairly wide class of models much studied in the literature. By developing general conditions characterising each element of the set of possible equilibria, I show that the...

This paper analyses a dynamic game of investment in R&D or advertising, where current investments change future market conditions. It investigates whether underinvestment can be supported in equilibrium by the threat of escalation in investment outlays. When there are no spillovers, or there is...

This new SSATP discussion paper reviews the experience of an apparently successful corridor to help understand optimal mix and trade-offs in reviving historical trade route. The Maputo Corridor, which had fallen in disuse during the troubled period in Mozambique, is widely regarded as one the...

This paper focusses on one central aspect of urban development: transport and urban form and how the two shape the provision of access to people, goods and services, and information in cities. The more efficient this access, the greater the economic benefits through economies of scale,...

Objective: To examine the costs and cost effectiveness of telehealth in addition to standard support and treatment, compared with standard support and treatment. Design: Economic evaluation nested in a pragmatic, cluster randomised controlled trial. Setting: Community based telehealth...