Estimating Platform Market Power in Two-Sided Markets with an Application to Magazine Advertising

Author:

Song Minjae1

Affiliation:

1. The Brattle Group, 1800 M Street NW, Suite 700, Washington, DC 20036 (email: )

Abstract

In two-sided markets, two groups of agents interact through platforms. Because agents’ decision to join a platform is affected by the presence of agents on the other side, their interactions create indirect network externalities and make platforms’ strategies different from those of firms in one-sided markets. In this paper, I use a structural model to show that platforms may take a loss on one side of the market to make a profit on the other side and that platform mergers may benefit some agents by lowering prices or attracting more agents on the other side of the market. (JEL D62, G34, L82, M37)

Publisher

American Economic Association

Subject

General Economics, Econometrics and Finance

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