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Answer: The Vasicek model can be used for computing the bond sensitivities to changes in interest rates. This is achieved through shifting the short-rate, re-computing the bond prices and calculating measures such as DV01 and durations.
## Explanation Option B is correct because: - The Vasicek model, being a one-factor model, can indeed be used to compute bond sensitivities to interest rate changes - This is achieved through sensitivity analysis where the short-rate is shifted, bond prices are recomputed, and measures like DV01 and durations are calculated - The simplicity of the Vasicek model makes it tractable for such practical applications Option A is incorrect because the Vasicek model is actually relatively simple in structure, not complex. Option C is incorrect because both Vasicek and Gauss+ models can be used for relative-value trading and hedging purposes. Option D is incorrect because while the Gauss+ model is more complex, it maintains reasonable tractability and its concepts are well-established in term structure modeling. The key advantage of multifactor models like Gauss+ is their ability to capture more complex term structure dynamics (such as level, slope, and curvature factors), but the simpler Vasicek model remains useful for basic sensitivity analysis and practical applications.
Author: LeetQuiz .
There is an incredible improvement from the one-factor model to multifactor model in studying the term structure dynamics. Which of the following statements is correct regarding the well-known one-factor Vasicek model and the multifactor Gauss+ model?
A
Although the Vasicek model can explain a large fraction of term structure dynamics with merely one factor, it only has some limited uses for practitioners because the model structure is complex.
B
The Vasicek model can be used for computing the bond sensitivities to changes in interest rates. This is achieved through shifting the short-rate, re-computing the bond prices and calculating measures such as DV01 and durations.
C
The Vasicek model might be used to conduct relative-value trading, while the Gauss+ model is inappropriate for this purpose. However, both models can be thought of as a tool for hedging.
D
Although the Gauss+ model captures the empirical complexity of the term structure dynamics, its concepts and assumptions are not intuitive and the model tractability is severely harmed.
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