FRM Part II · FRM Exam Part II · Introduction to Credit Risk Modeling and Assessment
A risk analyst compares structural (Merton-type) and reduced-form credit models. Which statement correctly describes the reduced-form approach?
In reduced-form models default is a surprise event whose arrival is governed by an exogenously specified hazard rate or intensity process, typically calibrated to market spreads. Asset-value thresholds and leverage-based default describe structural models, not reduced-form ones.
- ADefault is triggered when the firm's asset value falls below the face value of debt at maturity
- BDefault is an unpredictable event whose arrival is governed by an exogenous intensity (hazard rate) processCorrect
- CDefault probabilities are derived solely from the firm's balance sheet leverage and asset volatility
- DDefault occurs only on scheduled debt payment dates and is fully predictable from asset values
Explanation
Reduced-form models treat default as a surprise event driven by an exogenously specified intensity process, calibrated mostly to market prices such as bond or CDS spreads. Options describing asset-value thresholds and leverage-driven default describe structural models.
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