Antitrust - Case 12

Support of a third party against the envisaged cooperation between Google and Yahoo

E.CA analysed the competitive relationship between various search engines based on a comprehensive data set provided by AC Nielsen. The report analyses both sides of the online advertisement market for sponsored text links. On the viewer side of the market, the report analyses viewer reach and overlap of various search engines for five European countries (UK, DE, IT, FR, ES). On the advertisement side of the market, the switching behaviour of advertisers is analysed for Germany. The alliance did not materialise.