Exam 5: Modern Portfolio Concepts
Explain the differences in how modern and traditional theories of portfolio management approach the issue of diversification.
The modern approach to portfolio diversification uses computers to analyze a large number of investment alternatives, mathematically seeking minimum correlation and maximum return. Ideally these methods identify portfolios on the efficient frontier with minimum portfolio betas or standard deviations for the expected level of return.
The traditional approach to diversification uses human judgment and experience to choose a diversified combination of stocks and other securities across industry lines and possibly national borders. When done well, this approach also reduces risk without excessively sacrificing return. The traditional approach may lead to overinvestment in the stocks of large, well-known companies because they most readily come to mind for the manager, because the manager fears criticism for omitting them, or wants to avoid blame for less conventional choices (window dressing).
According to the CAPM, the required rate of a return on a stock can be estimated using only beta and the risk-free rate.
False
Risk can be totally eliminated by combining two assets that are perfectly positively correlated.
False
Portfolio objectives should be established before beginning to invest.
Maximum international diversification can be achieved by investing solely in U.S. multinational corporations.
Which one of the following types of risk cannot be effectively eliminated through portfolio diversification?
Traditional portfolio managers prefer well-known companies because
I. stocks of well-known firms tend to be less risky than stocks of lesser-known firms.
II. individuals are more apt to purchase a mutual fund if it contains stocks of well-known firms.
III. window dressing encourages the purchase of well-known stocks.
IV. institutional investors tend to exhibit "herd-like" behavior.
In the Capital Asset Pricing Model, beta measures a stock's sensitivity to overall market returns.
Market return is estimated from the average return on a large sample of stocks such as those in the Standard & Poor's 500 Stock Composite Index.
An investment portfolio should be built around the needs of the individual investor.
A beta of 0.5 means that a stock is half as risky the overall market.
The transaction costs of investing directly in foreign-currency-denominated assets can be reduced by purchasing American Depositary Shares (ADSs).
The risk-free rate of return is 2% while the market rate of return is 12%. Parson Company has a historical beta of .85. Today, the beta for Delta Company was adjusted to reflect internal changes in the structure of the company. The new beta is 1.38. What is the amount of the change in the expected rate of return for Delta Company based on this revision to beta?
American investors have several alternatives available to diversify their portfolios internationally. In terms of transaction costs, which of the alternatives below is least attractive?
According to MSN money, the stock of Orange Corporation has a beta of 1.5, but according to Yahoo Finance it is 1.75. The expected rate of return on the market is 12% and the risk free rate is 2%. What is the difference between the required rates of return calculated using each of these betas?
The Capital Asset Pricing Model (CAPM) includes which of the following in its base assumptions?
I. Investors should earn a minimum return equal to the risk-free rate.
II. Investors in the market should earn a return greater than the return on the overall market.
III. Investors should be rewarded for the amount of risk they assume.
IV. Investors should earn a return located above the Security Market Line.
Portfolios located on the efficient frontier are preferable to all other portfolios in the feasible set.
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