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Bank-sourced transition matrixes: are banks' internal credit risk estimates Markovian?

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11230%2F22%3A10454642" target="_blank" >RIV/00216208:11230/22:10454642 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=TAV3E4.U.H" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=TAV3E4.U.H</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.21314/JCR.2021.015" target="_blank" >10.21314/JCR.2021.015</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Bank-sourced transition matrixes: are banks' internal credit risk estimates Markovian?

  • Original language description

    This study explores banks&apos; internal credit risk estimates and the associated bank-sourced transition matrixes. We empirically test the widely used Markovian property and time homogeneity assumptions at an unprecedented scale. Our unique data set consists of internal probability of default estimates from 12 global banks that employ an advanced internal ratings-based approach, covering monthly observations on 20 000 corporates over the period 2015-18. The results indicate that internal credit risk estimates do not satisfy the two assumptions, showing evidence of both path dependency and time heterogeneity even within the period of economic expansion. Banks tend to revert their rating actions, which contradicts previous findings based on data from credit rating agencies. This has significant practical implications through bank-sourced credit transition matrixes, which are becoming increasingly important as regulators begin to use more detailed credit risk data sets (eg, analytical credit data sets by the European Central Bank) with potential applications in stress testing.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    50201 - Economic Theory

Result continuities

  • Project

    <a href="/en/project/GA18-05244S" target="_blank" >GA18-05244S: Innovative Approaches to Credit Risk Management</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Credit Risk

  • ISSN

    1744-6619

  • e-ISSN

    1755-9723

  • Volume of the periodical

    18

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    28

  • Pages from-to

    73-100

  • UT code for WoS article

    000823731200003

  • EID of the result in the Scopus database

    2-s2.0-85127368730