Duration is important in bond portfolio management becauseI) it can be used in immunization strategies.II) it provides a gauge of the effective average maturity of the portfolio.III) it is related to the interest rate sensitivity of the portfolio.IV) it is a good predictor of interest-rate changes.

A) I and II
B) I and III
C) III and IV
D) I, II, and III
E) I, II, III, and IV

Immunization Strategies

Financial strategies used to shield a bond portfolio from the effects of interest rate fluctuations by balancing the duration of assets and liabilities.

Interest Rate Sensitivity

The degree to which the value of an investment, particularly fixed-income securities, changes in response to variations in interest rates.

Duration

A measure of the sensitivity of the price of a bond or a bond portfolio to changes in interest rates, usually expressed in years.