Among the most crucial input parameters for credit portfolio risk models are the co-movements ofdefault risks. Due to limited empirical evidence about the magnitude of correlations the New BaselCapital Accord sets standard requirements for calculating regulatory capital requirements, e.g. in...

Das wohl bekannteste finanzierungstheoretische Gleichgewichtsmodell, das „Capital-Asset-Pricing-Model” (CAPM) wurde von Sharpe (1964), Lintner (1965) und Mossin (1966) ent-wickelt. Das CAPM, das eine lineare Beziehung zwischen der erwarteten Rendite und dem Risiko eines Wertpapiers...

The following article develops a simultaneous multi-factor model for defaults and recoveries. Applying this model, risk parameters can be forecast using systematic and idiosyncratic risk fac-tors and their implied correlations. The theoretical framework is accompanied by an empirical analysis in...

The New Basel Capital Accord will allow the determination of banks’ regulatory capital requirementsdue to probabilities of default which are estimated and forecasted from internal ratings.Broadly, two rating philosophies are distinguished: Through the Cycle versus Point inTime Ratings. We...