Recent industry studies found the Internet backbone industry competitive. In our paper we explore a novel route to …

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 …

In the Internet information packets are routed through many vertically related hops. However these network hierarchies …

and interconnection, particularly relevant in the Internet, is perhaps the best example. A two-way feedback between …

Peering decisions between Internet Service Providers contain substantial non-measurable aspects requiring trust and … informal cooperation among peering partners. We study whether spatial agglomeration is observed between Internet peers. Our … empirical analysis of the bilateral peering decisions at the Milan Internet Exchange confirms that these decisions are …

Network hierarchies in the Internet are often not fixed: two providers can be simultaneously input supplier and … these aspects of the Internet to study the impact of differentiation introduced by wireless access on prices and profits. We … access one. These effects crucially depend on the degree of differentiation between the wireless and fixed Internet access …

In this paper we study concentration in the European Internet upstream access market. Measurement of market … pricing and traffic data. We present an alternative approach based on the inference of the Internet Operators interconnection … wholesale market dominance. The results, applied to four leading Internet Exchange Points in London, Amsterdam, Frankfurt and …