becomes lessdistinctive; and or it introduces advertising.These are timely issues, given the extent to which public … broadcasters are increasingly criticised forseeking popularity, losing distinctiveness, and in many cases, introducing advertising … parallels to other sectors where services are also offered free at the point of access, butfinanced by advertising. The most …

topic of asymmetric horizontal differentiation by allowing a firm's costly advertising to have a different impact on its own … demand function than it does on that of its rival. This leads to the interesting analytical result that advertising that … "couple" effect where firm advertising can tilt its own and its rival's demand functions in different directions. Several …