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Specialisation in mortgage risk under Basel II

Author

Listed:
  • Eckley, Peter

    (Bank of England)

  • Benetton, Matteo

    (LSE)

  • Latsi, Georgia

    (Independent)

  • Garbarino, Nicola

    (Bank of England)

  • Kirwin, Liam

    (Bank of England)

Abstract

Since Basel II was introduced in 2008, two approaches to calculating bank capital requirements have co-existed: lenders’ internal models, and a less risk-sensitive standardised approach. Using a unique dataset covering 7 million UK mortgages for 2005–15, and novel identification, we provide empirical evidence that the differences between these approaches cause lenders to specialise. This leads to systemic concentration of high-risk mortgages in lenders with less sophisticated risk management. Our results have broad implications for the design of the international bank capital framework.

Suggested Citation

  • Eckley, Peter & Benetton, Matteo & Latsi, Georgia & Garbarino, Nicola & Kirwin, Liam, 2017. "Specialisation in mortgage risk under Basel II," Bank of England working papers 639, Bank of England.
  • Handle: RePEc:boe:boeewp:0639
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    Cited by:

    1. Viral V. Acharya & Katharina Bergant & Matteo Crosignani & Tim Eisert & Fergal Mccann, 2022. "The Anatomy of the Transmission of Macroprudential Policies," Journal of Finance, American Finance Association, vol. 77(5), pages 2533-2575, October.
    2. Saha, Asish & Rooj, Debasis & Sengupta, Reshmi, 2023. "Macroprudential Policy and mortgage leverage decisions—Evidence from micro data," Economic Analysis and Policy, Elsevier, vol. 80(C), pages 1430-1444.
    3. Kabundi, Alain & De Simone, Francisco Nadal, 2022. "Euro area banking and monetary policy shocks in the QE era," Journal of Financial Stability, Elsevier, vol. 63(C).
    4. Tuuli, Saara, 2019. "Model-based regulation and firms' access to finance," Bank of Finland Research Discussion Papers 4/2019, Bank of Finland.
    5. Matteo Benetton, 2017. "Lenders' Competition and Macro-prudential Regulation: A Model of the UK Mortgage Supermarket," 2017 Meeting Papers 1001, Society for Economic Dynamics.
    6. Nam, Rachel J., 2022. "Open banking and customer data sharing: Implications for FinTech borrowers," SAFE Working Paper Series 364, Leibniz Institute for Financial Research SAFE.
    7. Fisher, Paul & Grout, Paul, 2017. "Competition and prudential regulation," Bank of England working papers 675, Bank of England.
    8. repec:zbw:bofrdp:2019_004 is not listed on IDEAS
    9. Tuuli, Saara, 2019. "Model-based regulation and firms' access to finance," Research Discussion Papers 4/2019, Bank of Finland.
    10. Aikman, David & Haldane, Andrew & Hinterschweiger, Marc & Kapadia, Sujit, 2018. "Rethinking financial stability," Bank of England working papers 712, Bank of England.
    11. Miller, Sam & Wanengkirtyo, Boromeus, 2020. "Liquidity and monetary transmission: a quasi-experimental approach," Bank of England working papers 891, Bank of England.
    12. Dominika Ehrenbergerová & Martin Hodula & Zuzana Gric, 2022. "Does capital-based regulation affect bank pricing policy?," Journal of Regulatory Economics, Springer, vol. 61(2), pages 135-167, April.
    13. Benbouzid, Nadia & Kumar, Abhishek & Mallick, Sushanta K. & Sousa, Ricardo M. & Stojanovic, Aleksandar, 2022. "Bank credit risk and macro-prudential policies: Role of counter-cyclical capital buffer," Journal of Financial Stability, Elsevier, vol. 63(C).
    14. Martin Birn & Olivier de Bandt & Simon Firestone & Matías Gutiérrez Girault & Diana Hancock & Tord Krogh & Hitoshi Mio & Donald P. Morgan & Ajay Palvia & Valerio Scalone & Michael Straughan & Arzu Ulu, 2020. "The Costs and Benefits of Bank Capital—A Review of the Literature," JRFM, MDPI, vol. 13(4), pages 1-25, April.
    15. Cristina Jude & Grégory Levieuge, 2024. "Doubling Down: The Synergy of CCyB Release and Monetary Policy Easing," Working papers 961, Banque de France.
    16. Dal Borgo, Mariela, 2022. "Internal models for deposits: Effects on banks' capital and interest rate risk of assets," Journal of Banking & Finance, Elsevier, vol. 135(C).
    17. Damen, Sven & Schildermans, Stef, 2022. "Capital requirements, mortgage rates and house prices," Journal of Banking & Finance, Elsevier, vol. 143(C).
    18. Hinterschweiger, Marc & Neumann, Tobias & Saporta, Victoria, 2018. "Risk sensitivity and risk shifting in banking regulation," Bank of England Financial Stability Papers 44, Bank of England.
    19. Song, Fenghua & Thakor, Anjan, 2022. "Ethics, capital and talent competition in banking," Journal of Financial Intermediation, Elsevier, vol. 52(C).

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    More about this item

    Keywords

    Capital regulation; banking; mortgages; specialisation; risk-taking; Basel II;
    All these keywords.

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • 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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