FRM Part II · FRM Exam Part II · Credit Risk Management
A risk analyst compares a structural (Merton-type) model with a reduced-form (intensity-based) model. Which statement correctly describes a key feature of the reduced-form approach?
In a reduced-form model default is an unpredictable event arriving at an exogenous hazard rate, typically calibrated to bond or CDS spreads, rather than being triggered by asset value falling below a debt threshold as in structural models.
- ADefault is triggered when asset value falls below the debt barrier, so it is predictable from the firm's balance sheet
- BDefault occurs as an unexpected event governed by an exogenous hazard rate, so it is not predictable from asset valueCorrect
- CThe model requires the unobservable asset value and asset volatility as inputs
- DDefault can occur only at debt maturity
Explanation
Reduced-form models treat default as a surprise jump driven by an intensity process, usually calibrated to market spreads. The other options describe structural model features: asset value dependence, asset inputs, and (for Merton) default only at maturity.
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