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The present paper shows how the parameters of three popular portfolio credit risk models can be empiricallyestimated by banks using a Maximum Likelihood framework. We apply the method to a database of Germanfirms provided by Deutsche Bundesbank and analyze the inclusion of macroeconomic and...
Persistent link: https://www.econbiz.de/10005867437
In addition to “classical” approaches, such as the Gaussian CreditMetrics or Basel II model, recentlythe use of other copulas has been proposed in the area of credit risk for modeling loss distributions,particularly T copulas which lead to fatter tails ceteris paribus. As an amendment to...
Persistent link: https://www.econbiz.de/10005867440
One of the greatest challenges in modeling credit portfolio risk is the issue of correlations between borrowers.Up to now no consistent methodology for identifying correlations exists. In general two approachesare employed: “direct” and “indirect” modeling. While the former specify...
Persistent link: https://www.econbiz.de/10005867447
In jüngerer Zeit sind im professionellen Portfoliomanagement zunehmend Faktorenmodelle in den Vordergrund bei der Investment-Analyse gerückt und haben klassische Modelle wie das CAPM mehr und mehr verdrängt. Charakte-ristisch für diese Modelle ist, daß lediglich ein...
Persistent link: https://www.econbiz.de/10005867484
Zusammenfassung. In jüngerer Zeit werden in zunehmendem Maße Ansätze der Arbitrage Pricing Theory im praktischen Portfoliomanagement eingesetzt. Eine wichtige Klasse stellen die „fundamentalen Faktoren-Modelle“ dar, bei denen unternehmensspezifische Variablen, wie z.B....
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