TIF_ch09 - Test Bank Chapter 9 RISK AND RETURN STOCKS EFS I...

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Test Bank Chapter 9: RISK AND RETURN: STOCKS EFS I. True or False (Definitions and Concepts) F 1. The variability in security returns is the best way to measure risk (FALSE: Should be is not always the best way instead of is the best way.) T 2. A realized return–the rate of return actually earned on an investment–has little meaning without knowing the holding period. T 3. Intuitively, the risk of an asset is the likelihood its realized return will vary substantially from its expected return. F 4. A security that has high specific risk when is considered in isolation will have low market risk when placed in the portfolio. (FALSE: Should be can have instead of will have.) T 5. The mean of a random variable is its long-run average. F 6. Covariance is typically shown using a Greek letter, as σ 2 , sometimes with an identifying subscript. (FALSE: Should be Variance instead of covariance.) F 7. Like a mean, a variance provides plentiful insight without other information. (FALSE: Should be limited instead of plentiful.) T 8. A positive covariance indicates that when one random variable has an outcome above its mean, the other also tends to be above its mean. F 9. Although covariance can take on any value, the correlation coefficient can be only between 0 and +1. (FALSE: Should be minus –1 instead of zero.) T 10. An asset’s expected return is the mean of its future possible returns. T 11. An investment’s specific risk is its standard deviation. F 12. An efficient portfolio is one that provides the lowest expected return for a given amount of risk. (FALSE: Should be highest instead of lowest.) F 13. It’s unrealistic to find two assets that have perfect positive correlation between their returns. (FALSE: Should be realistic instead of unrealistic.) F 14. When asset returns are perfectly positively correlated, diversification can increase the ratio of the portfolio’s expected return to its risk. (FALSE: Should be not perfectively instead of perfectly.) T 15. Borrowing is like having a negative investment in the riskless asset. II. Multiple Choice (Definitions and Concepts)
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c 16. One problem with using negative values for w 1 (the proportion invested in the riskless asset) to represent a borrowed amount is that the implied borrowing rate of interest is the same as . a. the prime rate of interest. b. the current rate of interest. c. the lending rate of interest. d. the nominal rate of interest. a 17. Investing in the riskless asset is really simply lending the money. The opposite, borrowing, is like having a negative investment in the asset. a. riskless b. risky c. underlying d. fixed b 18. Using a single rate for borrowing and lending is essentially equivalent to assuming transactions. a.
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TIF_ch09 - Test Bank Chapter 9 RISK AND RETURN STOCKS EFS I...

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