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Portfolio Inertia and [Epsilon]-Contaminations

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  • Takao Asano

Abstract

This paper analyzes platforms and rejections in two-sided markets with network externalities, using the specific context of a payment card association. We study the cooperative antitrust determination of the interchange fee by member banks. We use a framework in which banks and merchants may have market power and consumers and merchants decide rationally on whether to buy or accept a payment card developed by Rochet and Tirole (2002). After drawing the welfare implications of a cooperative determination of the interchange fee and antitrust conducts, we describe in detail the factors affecting merchant resistance, compare cooperative and for-profit business models, and make a first cut in the analysis of system competition.

Suggested Citation

  • Takao Asano, 2004. "Portfolio Inertia and [Epsilon]-Contaminations," ISER Discussion Paper 0610, Institute of Social and Economic Research, Osaka University.
    • Handle: RePEc:dpr:wpaper:0610
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    File URL: https://www.iser.osaka-u.ac.jp/library/dp/2004/DP0610.pdf
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    References listed on IDEAS

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    Cited by:

    1. Ravi Dhar & William Goetzmann, 2005. "Institutional Perspectives on Real Estate Investing: The Role of Risk and Uncertainty," Yale School of Management Working Papers ysm457, Yale School of Management, revised 01 Jul 2005.

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