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Modelování portfoliového kreditního rizika
Kolman, Marek ; Witzany, Jiří (advisor) ; Stádník, Bohumil (referee)
Thesis Portfolio Credit Risk Modeling focuses on state-of-the-art credit models largely implemented by banks into their banking risk-assessment and complementary valuation system frameworks. Reader is provided in general with both theoretical and applied (practical) approaches that are giving a clear notion how selected portfolio models perform in real-world environment. Our study comprises CreditMetrics, CreditRisk+ and KMV model. In the first part of the thesis, our intention is to clarify theoretically main features, modeling principles and moreover we also suggest hypotheses about strengths/drawbacks of every scrutinized model. Subsequently, in the applied part we test the models in a lab-environment but with real-world market data. Noticeable stress is also put on model calibration. This enables us to con firm/reject the assumptions we made in the theoretical part. In the very end there follows a straightforward general overview of all outputs and a conclusion.
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The analysis of particular models of credit risk
Sedlárová, Michala ; Málek, Jiří (advisor) ; Polák, Michal (referee)
The main aim of my final thesis is to familiar reader with different ways of measuring credit risk by means of particular structural models of credit risk. This issue has been already described by foreign authors. Though, neither Czech nor Slovak economists have been deeply involved in this topic so far. For this reason, I have decided to focus on those models and both describe them as well as put them into the practice. My final thesis gradually focus on individual detailed model description in each chapter in following sequence: Credit Metrics, Black-School model, Merton model, KMV, Credit Grades. Moreover, it also targets model's construction as well as practical application. Regarding practical model's application, Black-School model is applied on IBM and KMV on Kraft Foods Company. Admittedly, that proves the fact that structural models are not only theoretical models, but also practical models applyable on real companies. Finally, I will compare all above mentioned models in selected parameters.
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