strategically set termination fees to induce fragmentation. This takes place when advertising revenues are potentially large but … identify an important link between termination fees, the online advertising market and Internet fragmentation. We extend the … model to account for multi-homing consumers, vertically integrated ISPs, third-party advertising platforms and heterogeneous …

We study consumer response towards sponsored search advertising and how to improve advertising performance on a large e … suggest that consumers dislike search advertising in our setting, but quality certificates mitigate this aversion and increase … advertising sales. …