.3 million US users: one group of users saw the status quo, while the other saw a lower level of advertising (with prominence of … search ads decreased). Revealed preference data reject that users are, overall, averse to search advertising targeted to them … across a diverse set of searches. At the margin, users prefer the search engine with the higher level of advertising. On the …

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 …

The advent of online advertising has simultaneously created unprecedented opportunities for advertisers to target …