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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.

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  • 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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    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 8275, Universidad del Rosario.
    2. 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.
    3. 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.
    4. Anisa Caja & Frédéric Planchet, 2014. "Modeling Cycle Dependence in Credit Insurance," Risks, MDPI, vol. 2(1), pages 1-15, March.

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