Explanation:
Option D is the correct answer because:
Why the other options are incorrect:
Option A: Applying an existing model to a new product without proper validation is risky, even if the model performed well for other products. Different products may have different risk characteristics.
Option B: While developing a new model may be appropriate, avoiding all qualitative adjustments is not necessarily best practice. Some judgmental overlays may be necessary, especially when dealing with new products or limited data.
Option C: Making the development team responsible for validation creates a conflict of interest. Best practices require independent validation separate from model development to ensure objectivity.
Sensitivity analysis helps banks understand model behavior under various scenarios, identify potential weaknesses, and ensure robust model governance - all key elements of sound model risk management practices.
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Q-38. tested over several years, but the CRO considers whether the bank should develop and implement a new model for the commercial loan product. In addition, the CRO wants to ensure that the bank follows best practices for the development, validation, and implementation of any models that it uses. Which of the following actions should the CRO recommend that the bank take?
A
Apply the strongly performing existing model to the new commercial loan product given the model's successful track record.
B
Develop a new model for the commercial loan product and avoid the use of qualitative or judgmental adjustments to the model's quantitative output.
C
Make the model development team responsible for validating all of the bank's models that are currently operational.
D
Perform sensitivity analysis on all models used by the bank to identify market conditions under which they might perform poorly.
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