CORES Scenario Analysis & Stress Testing 4 — Questions and Answers
Question 1: During a stress test review, senior management questions why a benign base case was included alongside adverse and severely adverse scenarios. What is the BEST justification?
- Regulations require at least three scenarios of varying severity
- The base case establishes a performance benchmark to measure incremental stress impact (Correct answer)
- The base case substitutes for the firm's internal budget forecasts
- Including a benign scenario reduces overall capital requirements
Correct answer: The base case establishes a performance benchmark to measure incremental stress impact
A base case allows analysts to isolate the incremental effect of stress by comparing adverse outcomes against a no-stress baseline trajectory.
Question 2: A firm's scenario workshop involves subject matter experts from risk, finance, operations, and business lines. What bias MOST threatens the quality of their collective output?
- Optimism bias leading to underestimation of scenario severity
- Herding or groupthink causing premature convergence on less challenging scenarios (Correct answer)
- Confirmation bias from reviewing too many historical losses
- Selection bias from choosing experts with only operational risk backgrounds
Correct answer: Herding or groupthink causing premature convergence on less challenging scenarios
Groupthink is a primary risk in workshop settings where social pressure causes participants to converge on comfortable, less severe scenarios.
Question 3: What is the purpose of sensitivity analysis in the context of stress testing model outputs?
- To replace scenario analysis when data is insufficient
- To identify which input assumptions have the greatest influence on stress loss estimates (Correct answer)
- To test whether the model meets regulatory validation standards
- To benchmark losses against industry peer outcomes
Correct answer: To identify which input assumptions have the greatest influence on stress loss estimates
Sensitivity analysis systematically varies one assumption at a time to reveal which drivers most significantly change stress loss results.
Question 4: A central bank issues prescriptive stress test scenarios with specific GDP, unemployment, and rate paths. What is a firm's PRIMARY obligation when using these prescribed scenarios?
- Replace them with internally developed scenarios that better reflect the firm's risk profile
- Apply the prescribed scenarios as given while also running supplemental internal scenarios (Correct answer)
- Lobby the regulator to revise scenarios deemed implausible
- Use only the prescribed scenarios and discard all internal models
Correct answer: Apply the prescribed scenarios as given while also running supplemental internal scenarios
Firms must apply regulator-prescribed scenarios as specified but should complement them with internal scenarios tailored to their own risk profile.
Question 5: Which outcome BEST demonstrates that a firm has effectively integrated stress testing into its risk culture?
- Stress test reports are produced on time each quarter
- Business lines proactively use stress test insights to adjust risk-taking before limits are breached (Correct answer)
- The CRO presents stress results to the board annually
- Stress testing software is upgraded to the latest version
Correct answer: Business lines proactively use stress test insights to adjust risk-taking before limits are breached
When business lines use stress insights to make proactive risk decisions, stress testing has moved from a compliance exercise to an embedded risk management tool.
Question 6: An institution's stress test projects a 15% decline in operational revenues under a severe scenario. Which risk category does this PRIMARILY represent?
- Credit risk materialized through defaults
- Strategic/business risk from revenue concentration and client attrition (Correct answer)
- Liquidity risk from deposit outflows
- Market risk from trading book losses
Correct answer: Strategic/business risk from revenue concentration and client attrition
Revenue decline from client attrition or business slowdown under stress reflects strategic and business risk, a recognized operational risk-adjacent category in advanced frameworks.
Question 7: Under the DFAST (Dodd-Frank Act Stress Testing) framework, what is the minimum capital ratio that must be maintained throughout the stress test horizon?
- Common Equity Tier 1 ratio of 3.0%
- Common Equity Tier 1 ratio of 4.5% (Correct answer)
- Tier 1 capital ratio of 6.0%
- Total capital ratio of 10.0%
Correct answer: Common Equity Tier 1 ratio of 4.5%
DFAST requires banks to maintain a CET1 ratio of at least 4.5% throughout the nine-quarter severely adverse scenario horizon.
CORES Scenario Analysis & Stress Testing 4
During a stress test review, senior management questions why a benign base case was included alongside adverse and severely adverse scenarios.
What is the BEST justification?