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A hitelminősítői bejelentések fertőző hatásai és a hitelértékelési kiigazítás
[Rating migration, credit risk contagion and Credit Valuation Adjustment]

Author

Listed:
  • Boros, Péter
Abstract
A csődesemények után fellépő fertőző hatások hitelértékelési kiigazításra (CVA) gyakorolt hatását már számos tanulmány elemezte. Empirikus tanulmányok azonban rámutattak, hogy nemcsak a csődesemények, hanem a hitelminősítők bejelentései is fertőző hatásokkal járnak. A tanulmányban azt vizsgáljuk, hogy e hatások befolyásolják-e a CVA értékét. Egy általános modellkeretet javasolunk, amely figyelembe veszi az empirikus tanulmányok által megfigyelt fertőző hatásokat. A modell megoldására a teljes hazardeljárás egy általánosítását adjuk meg. Az általunk elvégzett elemzés rávilágít, hogy a hitelminősítési kategóriák közötti átmeneteket kísérő fertőző hatások szignifikánsan változtathatják a kétoldalú hitelértékelési kiigazítás értékét olyan iparágakban, ahol a hitelminősítések erősen koncentrálódnak. Journal of Economic Literature (JEL) kód: C15, C53, G12, G13, G32, G33.

Suggested Citation

  • Boros, Péter, 2020. "A hitelminősítői bejelentések fertőző hatásai és a hitelértékelési kiigazítás [Rating migration, credit risk contagion and Credit Valuation Adjustment]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(2), pages 140-163.
    • Handle: RePEc:ksa:szemle:1888
    DOI: 10.18414/KSZ.2020.2.140
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation

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