We consider a software vendor first selling a monopoly platform and then an application running on this platform. He …

of consolidation on advertising prices and quantities). The remaining parts survey the literature on whether there are … too many radio stations; the strategies that stations use to boost the effectiveness of advertising; the effects of non …

This chapter focuses on the economic mechanisms at work in recent models of advertising finance in media markets …, and to clarify the conceptual aspects. The chapter first develops a canonical model of two-sided markets for advertising … advertising markets, and concrete issues such as congestion and second-degree discrimination. The second part is devoted to recent …