The tension between market shares and profit under platform competition

被引：8
|
作者：
Belleflamme, Paul [1 ,2 ]
Peitz, Martin [2 ,3 ,4 ,5 ,6 ]
Toulemonde, Eric [7 ,8 ,9 ]
机构：
[1] Catholic Univ Louvain, CORE LIDAM, 34 Voie Roman Pays, B-1348 Louvain La Neuve, Belgium
[2] CESifo, Berlin, Germany
[3] Univ Mannheim, Dept Econ, D-68131 Mannheim, Germany
[4] Univ Mannheim, MaCCI, D-68131 Mannheim, Germany
[5] CEPR, London, England
[6] ZEW, Berlin, Germany
[7] Univ Namur, Dept Econ, 8 Rempart Vierge, B-5000 Namur, Belgium
[8] Univ Namur, DEFIPP CERPE, 8 Rempart Vierge, B-5000 Namur, Belgium
[9] IZA, Berlin, Germany
来源：
INTERNATIONAL JOURNAL OF INDUSTRIAL ORGANIZATION | 2022年 / 81卷
关键词：
Two-sided platforms; Market share; Market power; Oligopoly; Network effects; Antitrust; 2-SIDED MARKETS; QUALITY;
D O I：
10.1016/j.ijindorg.2021.102807
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
We introduce asymmetries across platforms in the linear model of competing two-sided platforms with singlehoming on both sides and fully characterize the price equilibrium. We identify market environments in which one platform has a larger market share on both sides while obtaining a lower profit than the other platform. This is compatible with higher price-cost margins on one or both sides, noting that in the latter case one margin must be negative. Our finding raises further doubts on using market shares as a measure of market power in platform markets.(c) 2021 Elsevier B.V. All rights reserved.
引用
收藏
页数：16
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