Early studies on forecasting the growth of the Internet suggested that its evolution could not be predicted as being simply the result of a random network formation process. Recent evidence has shown that commercial connectivity goes through cycles, due to providers regularly disconnecting their...

The model explains the emergence of asymmetric productive structures among regions based on adoption of a quality improving technology. Firms' products are differentiated both in location and quality, location is given. We characterize symmetric and asymmetric equilibria of the two stage game in...

We study the role played by geographical distance in the peering decisions between Internet Service Providers. Firstly, we assess whether or not the Internet industry shows clustering in peering; we then concentrate on the dynamics of the agglomeration process by studying the effects of...

Does asymmetry between Internet Providers affect the "fairness" of their interconnection contracts? While recent game theoretic literature provides contrasting answers to this question, there is a lack of empirical research. We introduce a novel dataset on micro-interconnection policies and...

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...

We consider different patterns of infinite technological adoption choices by firms in a Bertrand duopoly. Every period technological progress provides a sequence of cost reducing innovations. The equilibrium concept is Markov Perfect Equilibrium. We analyze conditions for which equilibrium...

We study the incentives for a diagonal merger between two Internet Service Providers, one a wireless retail only ISP in two origination markets, and the second a vertically integrated wired retailer in one market and an upstream provider in the other. The merger's effects depend on...

Recent industry studies found the Internet backbone industry competitive. In our paper we explore a novel route to monitor for market power using prices and quality data from Band-X. First we test the hypothesis that Europe is a connectivity market on its own, unchallenged by the US and then, by...

Network hierarchies in the Internet are often not fixed: two providers can be simultaneously input supplier and retailer, in a routing process, while being horizontally competing in another. We introduce a stylised network model capturing these aspects of the Internet to study the impact of...

Over the last decade the Internet has grown to the point of pervading everyday commodities in developed countries’ households and of transforming, with different diffusion rates and adoption modalities, the communication landscapes in their developing counterparts. The number of broadband...