Georges, Siotis; Maite, Martínez-Granado - In: Review of Law & Economics 6 (2010) 1, pp. 1-57
A number of European countries, among them the UK and Spain, have opened up their Directory Enquiry Services (DQs) market to competition. In Spain, both local and foreign firms challenged the incumbent as of April 2003. The latter raised its rivals' costs and forced quality downgrading by...