Platform Competition for Advertisers and Users in Media Markets

40 Pages Posted: 30 May 2011 Last revised: 9 Sep 2011

See all articles by Markus Reisinger

Markus Reisinger

Frankfurt School of Finance & Management - Economics Department; CESifo (Center for Economic Studies and Ifo Institute)

Date Written: May 29, 2011

Abstract

This paper analyzes a two-sided market model in which platforms compete for advertisers and users. Platforms are differentiated from the users' perspective but are homogenous for advertisers. We show that, although there is Bertrand competition for advertisers, platforms obtain positive margins in the advertising market. In addition, platforms' profits can increase in the users' nuisance costs of advertising. As a general insight, we obtain that factors affecting competition in the user market in a well-known direction without externalities now have opposing effects due to competition in the advertiser market. The model can also explain why private TV platforms benefit if their public rivals are regulated to advertise less - a result at odds with models in which there is no competition for advertisers.

Keywords: Platform Competition, Two-Sided Markets, Advertising, Indirect Externalities, User Charge

JEL Classification: D43, L13, L82

Suggested Citation

Reisinger, Markus, Platform Competition for Advertisers and Users in Media Markets (May 29, 2011). Available at SSRN: https://ssrn.com/abstract=1855287 or http://dx.doi.org/10.2139/ssrn.1855287

Markus Reisinger (Contact Author)

Frankfurt School of Finance & Management - Economics Department ( email )

Sonnemannstraße 9-11
Frankfurt am Main, 60314
Germany

CESifo (Center for Economic Studies and Ifo Institute)

Poschinger Str. 5
Munich, DE-81679
Germany

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