The benefits of portfolio diversification are highest when the individual securities within the portfolio have returns that: vary directly with the rest of the portfolio. vary proportionally with the rest of the portfolio. are largely uncorrelated with the rest of the portfolio. are perfectly correlated with the market portfolio.

The benefits of portfolio diversification are highest when the individual securities within the portfolio have returns that: vary directly with the rest of the portfolio. vary proportionally with the rest of the portfolio. are largely uncorrelated with the rest of the portfolio. are perfectly correlated with the market portfolio.

Essentials Of Investments

11th Edition

ISBN:9781260013924

Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Chapter1: Investments: Background And Issues

Section: Chapter Questions

Problem 1PS

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Portfolio theory as described by Markowitz is most concerned with:a. The elimination of systematic risk.b. The effect of diversification on portfolio risk.c. The identification of unsystematic risk.d. Active portfolio management to enhance return.
Which of the following statements is CORRECT? a. Portfolio diversification reduces the variability of returns on an individual stock. b. Risk refers to the chance that some unfavorable event will occur, and a probability distribution is completely described by a listing of the likelihood of unfavorable events. c. The SML relates a stock's required return to its market risk. The slope and intercept of this line cannot be controlled by the firms' managers, but managers can influence their firms' positions on the line by such actions as changing the firm's capital structure or the type of assets it employs. d. A stock with a beta of −1.0 has zero market risk if held in a 1-stock portfolio. e. When diversifiable risk has been diversified away, the inherent risk that remains is market risk, which is constant for all stocks in the market.
True or false The risk or variability of a well-diversified portfolio mostly reflects the contributions to risk from the standard deviations of the stocks within that portfolio
Portfolio risk and diversification Portfolio managers pick stocks for their clients’ portfolios based on the investment objective of the portfolio and several other factors. One key consideration is each stock’s contribution to portfolio risk and its statistical relationship with the portfolio’s other stocks. Based on your understanding of portfolio risk, identify whether each statement is true or false. Statement True False A portfolio’s risk is likely to be smaller than the average of all stocks’ standard deviations, because diversification lowers the portfolio’s risk. Because of the effects of diversification, the portfolio’s risk is likely to be more than the average of all stocks’ standard deviations. Portfolio risk will increase if more stocks that are negatively correlated with other stocks are added to the portfolio. The unsystematic risk component of the total portfolio risk can be reduced by adding negatively correlated…
Diversification refers to the _________.a. reduction of the stand-alone risk of an individual investment, measured by its beta coefficient, by combining it with other investments in a portfolio b. reduction of the stand-alone risk of an individual investment, measured by the standard deviation of its returns, by combining it with other investments in a portfolio c. reduction of systematic risk of an individual, measured by its beta coefficient, by combining it with other investments in a portfolio d. reduction of systematic risk of an individual, measured by the standard deviation of its returns, by combining it with other investments in a portfolio e. reduction of the unsystematic risk of an individual, measured by its coefficient of variation, by combining it with other investments in a portfolio
In measuring the performance of a portfolio, the time-weighted rate of return is superior to the dollar-weighted rate of return because:a. When the rate of return varies, the time-weighted return is higher.b. The dollar-weighted return assumes all portfolio deposits are made on day 1.c. The dollar-weighted return can only be estimated.d. The time-weighted return is unaffected by the timing of portfolio contributions and withdrawals.
In order to benefit from diversification, the returns on assets in a portfolio must: Answer a. Not be perfectly positively correlated b. Have the same idiosyncratic risks c. Be perfectly positively correlated d. Be perfectly negatively correlated
Indicate whether its True or False. Then write the explanation! In the presence of diversification benefits, when we combine two assets together into a portfolio, the systematic risk of the portfolio will be less than the weighted average systematic risk of the individual assets in the portfolio.
The standard deviation of a portfolio Group of answer choices -is not a weighted average of the standard deviations of the individual securities held in that portfolio. -cannot be less than the weighted average of the standard deviations of the individual securities held in that portfolio. -measures the amount of diversifiable risk inherent in the portfolio. -is a measure of that portfolio's systematic risk. -serves as the basis for computing the appropriate risk premium for that portfolio..
Describe why a fully diversified portfolio is said to have no unsystematic risk but has systematic risk? Then describe how the Arbritrage Pricing Theory (APT) has a cause and effect on the expected return of a security.
Diversification occurs when stocks with low correlations of returns are placed together in a portfolio. Identify at least one type of firm that might exhibit low correlations of returns with the overall stock market? Explain why the correlations of these firms are expected to be low.
Richard Roll, in an article on using the capital asset pricing model (CAPM) to evaluate portfolio performance, indicated that it may not be possible to evaluate portfolio management ability if there is an error in the benchmark used.a. In evaluating portfolio performance, describe the general procedure, with emphasis on the benchmark employed.b. Explain what Roll meant by benchmark error and identify the specific problem with this benchmark.c. Draw a graph that shows how a portfolio that has been judged as superior relative to a “measured” security market line (SML) can be inferior relative to the “true” SML.d. Assume that you are informed that a given portfolio manager has been evaluated as superior when compared to the Dow Jones Industrial Average, the S&P 500, and the NYSE Composite Index. Explain whether this consensus would make you feel more comfortable regarding the portfolio manager’s true ability.e. Although conceding the possible problem with benchmark errors as set forth…

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