This paper introduces a model of localised competition and technological adoption that produces interesting geographical adoption patterns: persistent asymmetry, where nobody adopts; leapfrogging where only followers adopt; forging ahead, where only leaders adopt; and catching up, where...

Internet Service Providers compete for customers while exchanging traffic flows to provide a complete, end to end, service to final users. This requires reliable interconnections among competitors that form multiple Global Supply Chain Networks (GSCNs) for the delivery and exchange of Internet...

The proliferation of new information technologies throughout the world has raised some important questions for policymakers as to how developing countries can benefit from their diffusion. This important volume compares the advantages and disadvantages of the IT revolution through detailed...

Economic agents' behaviour is affected by their position in a network, either exogenous or endogenous, in which they interact with a sub-set of neighbours only. The network's links, which may be generated by vertical and/or horizontal relations, or by more complex morphologies, may explain the...

In this paper we focus on the intertemporal aspects of technological adoption. We consider a simplified model: firms produce an homogeneous good and adoption decisions concern a cost reducing technology. We focus on the issue of industrial leadership reversal. Imagine an industry facing a...

In this paper we study concentration in the European Internet upstream access market. The possibility of measuring market concentration depends on a correct definition of the market itself; however, this is not always possible, since, as it is the case of the Internet industry, very often...