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Open Banking: Credit Market Competition When Borrowers Own the Data

Author

Listed:
  • Zhiguo He
  • Jing Huang
  • Jidong Zhou
Abstract
Open banking facilitates data sharing consented by customers who generate the data, with a regulatory goal of promoting competition between traditional banks and challenger fintech entrants. We study lending market competition when sharing banks' customer data enables better borrower screening or targeting by fintech lenders. Open banking could make the entire financial industry better off yet leave all borrowers worse off, even if borrowers could choose whether to share their data. We highlight the importance of equilibrium credit quality inference from borrowers' endogenous sign-up decisions. When data sharing triggers privacy concerns by facilitating exploitative targeted loans, the equilibrium sign-up population can grow with the degree of privacy concerns.

Suggested Citation

  • Zhiguo He & Jing Huang & Jidong Zhou, 2020. "Open Banking: Credit Market Competition When Borrowers Own the Data," NBER Working Papers 28118, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28118
    Note: AP CF IO LE ME PR
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • D18 - Microeconomics - - Household Behavior - - - Consumer Protection
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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