A Note on Social Welfare and Cost Recovery in Two-Sided Markets
Using a simple model of two-sided markets, we show that, in the social optimum, platform pricing leads to an inherent cost recovery problem. This result is driven by the positive externality of participation that users on either side of the market exert on the opposite side. The contribution of this positive externality to social welfare leads the social planner to increase users' participation by setting prices at both sides of the market such that the total price is below marginal cost. This causes operational losses for the platform. Our result holds for both interior pricing and skewed pricing in two-sided markets.
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- Jean-Charles Rochet & Jean Triole, 2002.
"Platform Competition in Two Sided Markets,"
FMG Discussion Papers
dp409, Financial Markets Group.
- Jean-Charles Rochet & Jean Triole, 2002. "Platform competition in two sided markets," LSE Research Online Documents on Economics 24929, London School of Economics and Political Science, LSE Library.
- Rochet, Jean-Charles & Tirole, Jean, 2003. "Platform Competition in Two-Sided Markets," IDEI Working Papers 152, Institut d'Économie Industrielle (IDEI), Toulouse.
- Schmalensee, Richard, 2002.
"Payment Systems and Interchange Fees,"
Journal of Industrial Economics,
Wiley Blackwell, vol. 50(2), pages 103-22, June.
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