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Fraud, Investments and Liability Regimes in Payment Platforms

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  • Anna Creti
  • Marianne Verdier

Abstract

In this paper, we discuss how fraud liability regimes impact the price structure that is chosen by a monopolistic payment platform, in a setting where merchants can invest in fraud detection technologies. We show that liability allocation rules distort the price structure charged by platforms or banks to consumers and merchants with respect to a case where such a responsibility regime is not implemented. We determine the allocation of fraud losses between the payment platform and the merchants that maximises the platform's profit and we compare it to the allocation that maximises social welfare.

Suggested Citation

  • Anna Creti & Marianne Verdier, 2011. "Fraud, Investments and Liability Regimes in Payment Platforms," EconomiX Working Papers 2011-31, University of Paris Nanterre, EconomiX.
    • Handle: RePEc:drm:wpaper:2011-31
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    payment card systems; interchange fees; two-sided markets; fraud; liability;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L31 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Nonprofit Institutions; NGOs; Social Entrepreneurship
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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