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Do LTV and DSTI caps make banks more resilient?

Author

Listed:
  • M. Dietsch
  • C. Welter-Nicol

Abstract

This study provides responses to the question of the effectiveness of Loan-To-Value (LTV) and Debt Service-To-Income (DSTI) caps to contribute to financial stability. Using a lender’s risk management perspective, the paper provides a new methodology extending the standard asymptotic single risk factor to a multifactor framework, the additional factors being linked to LTV or DSTI tranches. On the basis of a unique database containing 850 896 individual housing loans, the results demonstrate the efficiency of credit standards which constrain the households’ indebtedness. On average, credit risk tends to grow in line with the increase of LTV and DSTI tranches. But our findings show also that the relationship between the risk’s growth and the ratios’ growth is not monotonic. Portfolio credit risk culminates in tranches close to the 100% LTV and the 35% DSTI thresholds. This has implications for the calibration of LTV and DSTI caps in a macroprudential perspective.

Suggested Citation

  • M. Dietsch & C. Welter-Nicol, 2014. "Do LTV and DSTI caps make banks more resilient?," Débats économiques et financiers 13, Banque de France.
  • Handle: RePEc:bfr:decfin:13
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    References listed on IDEAS

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    Cited by:

    1. J. Hombert & V. Lyonnet, 2017. "Intergenerational Risk Sharing in Life Insurance: Evidence from France," Débats économiques et financiers 30, Banque de France.
    2. Carpantier, Jean-Francois & Olivera, Javier & Van Kerm, Philippe, 2018. "Macroprudential policy and household wealth inequality," Journal of International Money and Finance, Elsevier, vol. 85(C), pages 262-277.
    3. B. Camara & F.-D. Castellani & H. Fraisse & L. Frey & C. Héam & L. Labonne & V. Martin, 2015. "MERCURE : A Macroprudential Stress Testing Model developed at the ACPR," Débats économiques et financiers 19, Banque de France.

    More about this item

    Keywords

    thousing finance; Loan-to-Value; Debt service to Income; credit risk; economic capital.;

    JEL classification:

    • R31 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location - - - Housing Supply and Markets
    • R38 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location - - - Government Policy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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