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An assessment of Basel II procyclicality in mortgage portfolios

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  • Jesús Saurina

    ()
    (Banco de España)

  • Carlos Trucharte

    ()
    (Banco de España)

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    Abstract

    In this paper we develop a probability of default (PD) model for mortgage loans, taking advantage of the Spanish Credit Register, a comprehensive database on loan characteristics and credit quality. From that model, we calculate different types of PDs: point in time, PIT, through the cycle, TTC, average across the cycle and acyclical. Then, we compare capital requirements coming from the different Basel II approaches. We show that minimum regulatory capital under Basel II can be very sensitive to the risk measurement methodology employed. Thus, the procyclicality of regulatory capital requirements under Basel II is an open question, depending on the way internal rating systems are implemented and their output is utilised. We focus on the mortgage portfolio since it is one of the most under researched areas regarding the impact of Basel II and because it is one of the most important banks’ portfolios.

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    File URL: http://www.bde.es/f/webbde/SES/Secciones/Publicaciones/PublicacionesSeriadas/DocumentosTrabajo/07/Fic/dt0712e.pdf
    File Function: First version, May 2007
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    Bibliographic Info

    Paper provided by Banco de Espa�a in its series Banco de Espa�a Working Papers with number 0712.

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    Length: 33 pages
    Date of creation: May 2007
    Date of revision:
    Handle: RePEc:bde:wpaper:0712

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    Related research

    Keywords: procyclicality; basel ii; rating systems; mortgages;

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    References

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    1. Tor Jacobson & Jesper Lindé & Kasper Roszbach, 2005. "Credit Risk Versus Capital Requirements under Basel II: Are SME Loans and Retail Credit Really Different?," Journal of Financial Services Research, Springer, vol. 28(1), pages 43-75, October.
    2. C. A.E. Goodhart, 2005. "Financial Regulation, Credit Risk and Financial Stability," National Institute Economic Review, National Institute of Economic and Social Research, vol. 192(1), pages 118-127, April.
    3. Michael Ehrmann & Leonardo Gambacorta & Jorge Martínez-Pagés & Patrick Sevestre & Andreas Worms, 2001. "Financial Systems and the Role of Banks in Monetary Policy Transmission in the Euro Area," Banco de Espa�a Working Papers 0118, Banco de Espa�a.
    4. Linda Allen & Anthony Saunders, 2004. "Incorporating Systemic Influences Into Risk Measurements: A Survey of the Literature," Journal of Financial Services Research, Springer, vol. 26(2), pages 161-191, October.
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    6. Pennacchi, George G., 2005. "Risk-based capital standards, deposit insurance, and procyclicality," Journal of Financial Intermediation, Elsevier, vol. 14(4), pages 432-465, October.
    7. Eva Catarineu-Rabell & Patricia Jackson & Dimitrios P. Tsomocos, 2003. "Procyclicality and the new Basel Accord–banks’ choice of loan rating system," LSE Research Online Documents on Economics 24863, London School of Economics and Political Science, LSE Library.
    8. Jimenez, Gabriel & Salas, Vicente & Saurina, Jesus, 2006. "Determinants of collateral," Journal of Financial Economics, Elsevier, vol. 81(2), pages 255-281, August.
    9. Berger, Allen N & Udell, Gregory F, 1994. "Do Risk-Based Capital Allocate Bank Credit and Cause a "Credit Crunch"' in the United States?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 26(3), pages 585-628, August.
    10. Javier Delgado & Vicente Salas-Fumás & Jesús Saurina, 2006. "The joint size and ownership specialization in banks' lending," Banco de Espa�a Working Papers 0606, Banco de Espa�a.
    11. Edward I. Altman & Brooks Brady & Andrea Resti & Andrea Sironi, 2005. "The Link between Default and Recovery Rates: Theory, Empirical Evidence, and Implications," The Journal of Business, University of Chicago Press, vol. 78(6), pages 2203-2228, November.
    12. Anil Kashyap & Jeremy C. Stein, 2004. "Cyclical implications of the Basel II capital standards," Economic Perspectives, Federal Reserve Bank of Chicago, issue Q I, pages 18-31.
    13. Amato, Jeffery D. & Furfine, Craig H., 2004. "Are credit ratings procyclical?," Journal of Banking & Finance, Elsevier, vol. 28(11), pages 2641-2677, November.
    14. Claudio Borio & Craig Furfine & Philip Lowe, 2001. "Procyclicality of the financial system and financial stability: issues and policy options," BIS Papers chapters, in: Bank for International Settlements (ed.), Marrying the macro- and micro-prudential dimensions of financial stability, volume 1, pages 1-57 Bank for International Settlements.
    15. Calem, Paul S. & LaCour-Little, Michael, 2004. "Risk-based capital requirements for mortgage loans," Journal of Banking & Finance, Elsevier, vol. 28(3), pages 647-672, March.
    16. Peek, Joe & Rosengren, Eric, 1995. "The Capital Crunch: Neither a Borrower nor a Lender Be," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 27(3), pages 625-38, August.
    17. Gambacorta, Leonardo & Mistrulli, Paolo Emilio, 2004. "Does bank capital affect lending behavior?," Journal of Financial Intermediation, Elsevier, vol. 13(4), pages 436-457, October.
    18. Gabriel Jiménez & Jesús Saurina, 2004. "Collateral, type of lender and relationship banking as determinants of credit risk," Banco de Espa�a Working Papers 0414, Banco de Espa�a.
    19. Charles Goodhart & Boris Hofmann & Miguel Segoviano, 2004. "Bank Regulation and Macroeconomic Fluctuations," Oxford Review of Economic Policy, Oxford University Press, vol. 20(4), pages 591-615, Winter.
    20. Gordy, Michael B. & Howells, Bradley, 2006. "Procyclicality in Basel II: Can we treat the disease without killing the patient?," Journal of Financial Intermediation, Elsevier, vol. 15(3), pages 395-417, July.
    21. Jimenez, Gabriel & Saurina, Jesus, 2004. "Collateral, type of lender and relationship banking as determinants of credit risk," Journal of Banking & Finance, Elsevier, vol. 28(9), pages 2191-2212, September.
    22. Dietsch, Michel & Petey, Joel, 2002. "The credit risk in SME loans portfolios: Modeling issues, pricing, and capital requirements," Journal of Banking & Finance, Elsevier, vol. 26(2-3), pages 303-322, March.
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    Cited by:
    1. Rafael Repullo & Jes�s Saurina & Carlos Trucharte, 2010. "Mitigating the pro-cyclicality of Basel II," Economic Policy, CEPR & CES & MSH, vol. 25, pages 659-702, October.
    2. Santiago Fernández de Lis & Alicia Garcia-Herrero, 2010. "Dynamic Provisioning : Some Lessons from Existing Experiences," Finance Working Papers 21882, East Asian Bureau of Economic Research.
    3. Repullo, Rafael & Suarez, Javier, 2008. "The Procyclical Effects of Basel II," CEPR Discussion Papers 6862, C.E.P.R. Discussion Papers.
    4. Silvia Sgherri & Bertrand Gruss, 2009. "The Volatility Costs of Procyclical Lending Standards," IMF Working Papers 09/35, International Monetary Fund.
    5. Borio, Claudio & Zhu, Haibin, 2012. "Capital regulation, risk-taking and monetary policy: A missing link in the transmission mechanism?," Journal of Financial Stability, Elsevier, vol. 8(4), pages 236-251.
    6. Evžen Kocenda & Martin Vojtek, 2009. "Default Predictors and Credit Scoring Models for Retail Banking," CESifo Working Paper Series 2862, CESifo Group Munich.
    7. Arnildo Da Silva Correa & Jaqueline Terra Moura Marins & Myrian Beatriz Eiras Das Neves & Antonio Carlos Magalhes Da Silva, 2014. "Credit Default And Business Cycles: Anempirical Investigation Of Brazilian Retail Loans," Anais do XL Encontro Nacional de Economia [Proceedings of the 40th Brazilian Economics Meeting] 028, ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics].
    8. Bertrand Gruss & Silvia Sgherri, 2009. "The Volatility Costs of Procyclical Lending Standards: An Assessment Using a DSGE Model," Economics Working Papers ECO2009/07, European University Institute.

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