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Estimation of conditional time-homogeneous credit quality transition matrices

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  • Gómez-González, José Eduardo
  • Hinojosa, Inés Paola Orozco

Abstract

This paper presents a methodology for estimating time-homogeneous credit quality transition matrices. Using a unique data set on credit ratings of commercial loans in Colombia, we show that 70% of the time we cannot reject the null hypothesis of time homogeneity of transition matrices estimated this way. We also find that obtaining matrices for different subsamples is not necessary, given the similarities of the survival functions.

Suggested Citation

  • Gómez-González, José Eduardo & Hinojosa, Inés Paola Orozco, 2010. "Estimation of conditional time-homogeneous credit quality transition matrices," Economic Modelling, Elsevier, vol. 27(1), pages 89-96, January.
  • Handle: RePEc:eee:ecmode:v:27:y:2010:i:1:p:89-96
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    References listed on IDEAS

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    1. Lennox, Clive, 1999. "Identifying failing companies: a re-evaluation of the logit, probit and DA approaches," Journal of Economics and Business, Elsevier, vol. 51(4), pages 347-364, July.
    2. Philip Bunn & Victoria Redwood, 2003. "Company accounts based modelling of business failures and the implications for financial stability," Bank of England working papers 210, Bank of England.
    3. José E. Gómez-González & Nicholas M. Kiefer., 2009. "Evidence of Non-Markovian Behavior in the Process of Bank Rating Migrations," Latin American Journal of Economics-formerly Cuadernos de Economía, Instituto de Economía. Pontificia Universidad Católica de Chile., vol. 46(133), pages 33-50.
    4. Bangia, Anil & Diebold, Francis X. & Kronimus, Andre & Schagen, Christian & Schuermann, Til, 2002. "Ratings migration and the business cycle, with application to credit portfolio stress testing," Journal of Banking & Finance, Elsevier, vol. 26(2-3), pages 445-474, March.
    5. Treacy, William F. & Carey, Mark, 2000. "Credit risk rating systems at large US banks," Journal of Banking & Finance, Elsevier, vol. 24(1-2), pages 167-201, January.
    6. N. Jonker, 2002. "Credit Ratings of the Banking Sector," WO Research Memoranda (discontinued) 714, Netherlands Central Bank, Research Department.
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    Citations

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    Cited by:

    1. Andres Felipe García-Suaza & José E. Gómez-González & Andrés Murcia Pabón & Fernando Tenjo-Galarza, 2011. "The cyclical behavior of bank capital buffers in an emerging economy: size do matters," DOCUMENTOS DE TRABAJO 008275, UNIVERSIDAD DEL ROSARIO.
    2. José Eduardo Gómez-González & Andrés F. García-Suaza, 2012. "A Simple Test of Momentum in Foreign Exchange Markets," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 48(5), pages 66-77, September.
    3. García-Suaza, Andrés Felipe & Gómez-González, José E. & Pabón, Andrés Murcia & Tenjo-Galarza, Fernando, 2012. "The cyclical behavior of bank capital buffers in an emerging economy: Size does matter," Economic Modelling, Elsevier, vol. 29(5), pages 1612-1617.
    4. Anisa Caja & Frédéric Planchet, 2014. "Modeling Cycle Dependence in Credit Insurance," Risks, MDPI, Open Access Journal, vol. 2(1), pages 1-15, March.

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