Economically the net neutrality debate focuses on the question whether services of different quality should be subject to price discrimination. The debate strongly affects the interaction between the players that are involved in the provision of online content. The authors analyse this...

The internet giants – Facebook, Amazon, Apple, Microsoft, and Google – have transformed society with both positive and negative effects. The negative effects have been stark. There have been huge disruptions caused by e-commerce. More recently, subtler, but even more serious negative effects...

This paper considers a model of two interconnected networks with different qualities. There are call externalities in the sense that consumers value calls they send and receive. Networks compete in two part tariffs. We show that call externalities create private incentives for each competitor to...

The internet giants - Facebook, Amazon, Netflix and Google, among others - have transformed society with both positive and negative effects. The negative effects have been stark. There have been huge disruptions caused by e-commerce. More recently, subtler, but even more serious negative effects...