We propose a duopoly model of competition between internet search engines endowed with different technologies and study … superior firm enters the agreement only if it results in a large enough increase in demand for advertising space at the … share, the agreement is beneficial for the inferior firm, as the later firm's additional revenues from a higher advertising …

We investigate the implications of Network Neutrality regulation for Internet fragmentation. We model a two …-sided market, where Content Providers (CPs) and consumers interact through Internet Service Providers (ISPs) and CPs sell consumers …

The Internet plays a growing role in the economy. This paper extrapolates this trend and analyses a world where most … because of the resources diverted away from R and D into advertising. But these mechanisms generate opposite level effects on …