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Answer: The stress test does not account for the likely responses of other financial institutions to changes in the core variables of the test.
## Explanation **C is correct.** In stress testing, it's crucial to consider not only the immediate impacts of a scenario but also the knock-on effects and second-round effects. The failure to account for how other financial institutions would respond to changes in core variables represents a significant deficiency because: - Financial institutions operate in interconnected markets - Responses from other institutions can amplify or mitigate the initial shock - Herding behavior or coordinated actions can create systemic risks - This omission overlooks the dynamic nature of financial markets **A is incorrect** because focusing on stressed market conditions for regression analysis is actually appropriate, as stress tests specifically examine extreme scenarios rather than normal market conditions. **B is incorrect** because mapping historical default rates to GDP estimates is a valid and commonly used approach for modeling credit risk losses in stress testing. **D is incorrect** because reverse stress testing (identifying scenarios that could cause severe losses) is a legitimate method for scenario development and can provide valuable input to stress testing committees.
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A team of risk analysts is conducting an independent review of a recent stress test. As part of this process, the team evaluates the stress testing models used as well as the supporting assumptions in the models. Which of the following, if found in the review, should the analysts identify as the greatest deficiency relating to the models or their assumptions?
A
Relationships between core and peripheral variables in the model are found by regressing their past behavior during stressed market conditions only.
B
Credit risk losses are modeled by mapping historical default rate data provided by credit rating agencies to estimates of gross domestic product.
C
The stress test does not account for the likely responses of other financial institutions to changes in the core variables of the test.
D
A scenario used in the stress test was developed using reverse stress testing.
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