For creditrisk calculations, correlation between the asset values of two issuers is often proxied with:

For creditrisk calculations, correlation between the asset values of two issuers is often proxied with:
A . Credit migration matrices
B . Transition probabilities
C . Equity correlations
D . Default correlations

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Answer: C

Explanation:

Asset returns are relevant for credit risk models where a default is related to the value of the assets of the firm falling below the default threshold. When assessing credit risk for portfolios with multiple credit assets, it becomes necessary to know the asset correlations of the different firms. Since this data is rarely available, it is very common to approximate asset correlations using equity prices. Equity correlations are used as proxies for asset correlation, therefore Choice ‘c’ is the correct answer.