PRIN.OF CORPORATE FINANCE
13th Edition
ISBN: 9781260013900
Author: BREALEY
Publisher: RENT MCG
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Chapter 7, Problem 14PS
Summary Introduction
To discuss: Whether the given statements are true or false.
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1. What should be the risk premium and return on a stock with a Beta of zero under the Capital Asset Pricing Model (CAPM)? What about the risk premium and return on a stock with a Beta of 1?
2. In a world of certainty, investors will always invest in the asset with the highest return. In the real world, investors hold a diversified portfolio of securities. Why is this the case?
3. Theoretically, returns on stocks or assets can be negatively correlated. In the real world, however, we usually encounter only positive correlations. Why may this be the case?
Diversification works because:
Select one:
a. Portfolios have higher returns than individual assets.
O b. Firm-specific risk can be never be reduced.
O c. Stocks earn higher returns than bonds.
O d. Unsystematic risk exists.
O e. Forming stocks into portfolios reduces the standard
deviation of returns for each stock.
Indicate whether the following statements are true or false.
a. Investors prefer diversified companies because they are less risky.
multiple choice 1
True
False
b. If stocks were perfectly positively correlated, diversification would not reduce risk.
multiple choice 2
True
False
c. Diversification over a large number of assets completely eliminates risk.
multiple choice 3
True
False
d. Diversification works only when assets are uncorrelated.
multiple choice 4
True
False
e. Diversification reduces the portfolio beta.
multiple choice 5
True
False
f. A portfolio of stocks, each with a beta of 1.0, will have a beta of less than 1.0 unless the returns are perfectly correlated.
multiple choice 6
True
False
g. A stock with a low standard deviation always contributes less to portfolio risk than a stock with a higher standard deviation.
multiple choice 7
True…
Chapter 7 Solutions
PRIN.OF CORPORATE FINANCE
Ch. 7 - Rate of return The level of the Syldavia market...Ch. 7 - Real versus nominal returns The Costaguana stock...Ch. 7 - Arithmetic average and compound returns Integrated...Ch. 7 - Risk premiums Here are inflation rates and U.S....Ch. 7 - Risk Premium Suppose that in year 2030, investors...Ch. 7 - Stocks vs. bonds Each of the following statements...Ch. 7 - Expected return and standard deviation A game of...Ch. 7 - Standard deviation of returns The following table...Ch. 7 - Average returns and standard deviation During the...Ch. 7 - Prob. 10PS
Ch. 7 - Prob. 11PSCh. 7 - Diversification Here are the percentage returns on...Ch. 7 - Risk and diversification In which of the following...Ch. 7 - Prob. 14PSCh. 7 - Portfolio risk To calculate the variance of a...Ch. 7 - Portfolio risk a) How many variance terms and how...Ch. 7 - Portfolio risk Table 7.8 shows standard deviations...Ch. 7 - Portfolio risk Hyacinth Macaw invests 60% of her...Ch. 7 - Stock betas What is the beta of each of the stocks...Ch. 7 - Stock betas There are few, if any, real companies...Ch. 7 - Portfolio betas A portfolio contains equal...Ch. 7 - Portfolio betas Suppose the standard deviation of...Ch. 7 - Portfolio risk Here are some historical data on...Ch. 7 - Portfolio risk Suppose that Treasury bills offer a...
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- d. Diversification works only when assets are uncorrelated. multiple choice 4 True False e. Diversification reduces the portfolio beta. multiple choice 5 True False f. A portfolio of stocks, each with a beta of 1.0, will have a beta of less than 1.0 unless the returns are perfectly correlated. multiple choice 6 True Falsearrow_forward1.Why will the standard deviation not be a good measure of risk when returns are negatively skewed? 2. What are the risk implications for an investor for a returns series that exhibits fat tails? 3. A price weighted index places more weight on stocks with a higher price, whilst a value weighted index places more weight on stocks with a higher market capitalization. Discuss.arrow_forward1. The diversifiable risk of a portfolio: a. Is correlated with systematic risk. b. Can be made sufficiently small. c. Is zero in the real world. d. Is the risk that investors lose because of transaction costs. Which one of the following conditions determines the investor’s overall optimal portfolio? a. The marginal ratio of substitution of the investor’s utility function must be equal to the Sharpe ratio of the optimal risky portfolio. b. The standard-deviation of the overall portfolio in minimised. c. The expected return of the overall portfolio is maximised. d. The slope of the Sharpe-ratio is equal to zero. 4. Markets can never be strong-form efficient because: a. There are too many traders in them. b. Investors are rational. c. Information is costly to acquire. d. All information is public. 5. Which one of the following is not a property of a pure arbitrage portfolio? a. Zero investment. b. Zero systematic risk. c. Positive net return. d. All of the above.arrow_forward
- According to modern portfolio theory, the idea that investors with different indifference curves will hold the same portfolio of risky securities is a result of O a. the separation theorem O b. covariance O c. the normal distribution assumption O d. diminishing marginal utility of incomearrow_forwardWhen seeking to diversify and eliminate unsystematic risk in your portfolio, do you want stocks whose movements have high correlation (i.e. move together) or low correlation (i.e. don't move togeter). a) High correlation b) Low correlationarrow_forwardWhich of the following statements is FALSE? A. When we combine many stocks in a large portfolio, the firm-specific risks for each stock will average out and be diversified. B. The volatility in a large portfolio will decline as the size of the portfolio increases until only the systematic risk remains. OC. The risk premium of a security is determined by its systematic risk and does not depend on its diversifiable risk. OD. Fluctuations of a stock's returns that are due to firm-specific news are common risks.arrow_forward
- According to the theory of arbitrage:a. High-beta stocks are consistently overpriced.b. Low-beta stocks are consistently overpriced.c. Positive alpha investment opportunities will quickly disappear.d. Rational investors will pursue arbitrage opportunities consistent with their risk tolerance.arrow_forwardGive typing answer with explanation and conclusion Which of the following statements is CORRECT? a. An investor can eliminate virtually all market risk if he or she holds a very large and well diversified portfolio of stocks. b. The higher the correlation between the stocks in a portfolio, the lower the risk inherent in the portfolio. c. It is impossible to have a situation where the market risk of a single stock is less than that of a portfolio that includes the stock. d. Once a portfolio has about 40 stocks, adding additional stocks will not reduce its risk by even a small amount. e. An investor can eliminate virtually all diversifiable risk if he or she holds a very large, well-diversified portfolio of stocks.arrow_forwardWhich of the following statements related to risk is (are) true: (i) Beta measures risk that cannot be diversified. (ii) As more shares are included in a portfolio the total risk of that portfolio goes down. (iii) Investors are normally risk averse and, therefore, they demand a risk premium.arrow_forward
- Identify the FALSE statement a. Where two securities are perfectly positively correlated, there is no reduction in unsystematic risk through diversification. b. Portfolio theory, as initially developed by Markowitz (1952), assumes that the returns from investments are normally distributed. c. Beta is calculated by finding the covariance between the return on the asset and the return on the market and dividing it by the variance of the return on the market. d. A well-diversified portfolio should have a beta significantly less than one.arrow_forwardWhich ones of the following statements about portfolio beta are correct? O 1. If portfolio beta is between 0 and 1, then the portfolio expected return is between risk-free rate and the market expected return. O 2. If the return of an asset has zero correlation with the market portfolio returns, the beta of this asset must be zero. O 3. A portfolio that has the same portfolio weights as the market portfolio should have a beta of 1. O 4. Diversification is not a way to reduce portfolio beta. O 5. If two portfolios have the same portfolio weights, but different dollar values, their betas are the same.arrow_forwardWhich of the following is true? a. Beta of a stock cannot be negative b. SML is an acronym for Stock Market Line c. Holding multiple stocks from the same industry is meaningful diversification d. Undiversifiable risk is known as the systematic riskarrow_forward
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