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Customer data access and fintech entry: Early evidence from open banking

Author

Listed:
  • Babina, Tania
  • Bahaj, Saleem
  • Buchak, Greg
  • De Marco, Filippo
  • Foulis, Angus
  • Gornall, Will
  • Mazzola, Francesco
  • Yu, Tong

Abstract

Open banking (OB) empowers bank customers to share their financial transaction data with fintechs and other banks. New cross-country data shows 49 countries adopted OB policies, privacy preferences predict policy adoption, and adoption spurs fintech entry. UK microdata shows that OB enables: (i) consumers to access both financial advice and credit; (ii) SMEs to establish new lending relationships. In a calibrated model, OB universally improves welfare through entry and product improvements when used for advice. When used for credit, OB promotes entry and competition by reducing adverse selection, but higher prices for costlier or privacy-conscious consumers partially offset these benefits.

Suggested Citation

  • Babina, Tania & Bahaj, Saleem & Buchak, Greg & De Marco, Filippo & Foulis, Angus & Gornall, Will & Mazzola, Francesco & Yu, Tong, 2025. "Customer data access and fintech entry: Early evidence from open banking," Journal of Financial Economics, Elsevier, vol. 169(C).
    • Handle: RePEc:eee:jfinec:v:169:y:2025:i:c:s0304405x24001739
    DOI: 10.1016/j.jfineco.2024.103950
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