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Bank Competition and Household Privacy in a Digital Payment Monopoly

Author

Listed:
  • Agur, Itai
  • Ari, Anil
  • Dell'Ariccia, Giovanni
Abstract
Lenders can exploit households' payment data to infer their creditworthiness. When households value privacy, they then face a tradeoff between protecting such privacy and attaining better credit conditions. We study how introducing an informationally more intrusive digital payment vehicle affects households' cash use, credit access, and welfare. A tech monopolist controls the intrusiveness of the new payment method and manipulates information asymmetries among households and oligopolistic banks to extract data contracts that are more lucrative than lending on its own. The laissez-faire equilibrium entails a digital payment vehicle that is more intrusive than socially optimal, providing a rationale for regulation.

Suggested Citation

  • Agur, Itai & Ari, Anil & Dell'Ariccia, Giovanni, 2023. "Bank Competition and Household Privacy in a Digital Payment Monopoly," CEPR Discussion Papers 18288, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:18288
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    Cited by:

    1. Yuteng Cheng & Ryuichiro Izumi, 2024. "Monetary Policy Transmission Through Shadow and Traditional Banks," Staff Working Papers 24-9, Bank of Canada.

    More about this item

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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