英文版罗斯公司理财习题答案Chap012

更新时间:2023-07-24 10:18:15 阅读: 评论:0

CHAPTER 12
RISK AND THE COST OF CAPITAL
Answers to Concepts Review and Critical Thinking Questions
1.    It is the minimum rate of return the firm must earn overall on its existing asts. If it earns more than this, value is created.
2.    Book values for debt are likely to be much clor to market values than are equity book values.
3.    No. The cost of capital depends on the risk of the project, not the source of the money.
4.    Interest expen is tax-deductible. There is no difference between pretax and aftertax equity costs.
我思念的城市5.    You are assuming that the new project’s risk is the same as the risk of the firm as a whole, and that the firm is financed entirely with equity. 
6.    Two primary advantages of the SML approach are that the model explicitly incorporates the relevant risk of the stock and the method is more widely applicable than is the DCF model, since the SML doesn’t make any assumptions about the firm’s dividends. The primary disadvantages of the SML method are (1) three parameters (the risk-free rate, the expected return on the market, and beta) must be estimated, and (2) the method esntially us historical information to estimate the parameters. The risk-free rate is usually estimated to be the yield on very short maturity T-bills and is, hence, obrvable; the market risk premium is usually estimated from historical risk premiums and, hence, is not obrvable. The stock beta, which is unobrvable, is usually estimated either by determining some average historical beta from the firm and the market’s return data, or by using beta estimates provided by analysts and investment firms.
7.    The appropriate aftertax cost of debt to the company is the interest rate it would have to pay if it were to issue new debt today. Hence, if the YTM on outstanding bonds of the company is obrved, the company has an accurate estimate of its cost of debt. If the de
鲍鱼的营养
bt is privately-placed, the firm could still estimate its cost of debt by (1) looking at the cost of debt for similar firms in similar risk class, (2) looking at the average debt cost for firms with the same credit rating (assuming the firm’s private debt is rated), or (3) consulting analysts and investment bankers. Even if the debt is publicly traded, an additional complication is when the firm has more than one issue outstanding; the issues rarely have the same yield becau no two issues are ever completely homogeneous.
今夜月明8.    a.    This only considers the dividend yield component of the required return on equity.
    b.    This is the current yield only, not the promid yield to maturity. In addition, it is bad on the book value of the liability, and it ignores taxes.
    c.描写花的四字词语    Equity is inherently riskier than debt (except, perhaps, in the unusual ca where a firm’s asts have a negative beta). For this reason, the cost of equity exceeds the cost of debt. If taxes are considered in this ca, it can be en that at reasonable tax rates, th
e cost of equity does exceed the cost of debt.
9.    RSup = .12 + .75(.08) = .1800 or 18.00%蒸笼
    Both should proceed. The appropriate discount rate does not depend on which company is investing; it depends on the risk of the project. Since Superior is in the business, it is clor to a pure play. Therefore, its cost of capital should be ud. With an 18% cost of capital, the project has an NPV of $1 million regardless of who takes it.
10.    If the different operating divisions were in much different risk class, then parate cost of capital figures should be ud for the different divisions; the u of a single, overall cost of capital would be inappropriate. If the single hurdle rate were ud, riskier divisions would tend to receive more funds for investment projects, since their return would exceed the hurdle rate despite the fact that they may actually plot below the SML and, hence, be unprofitable projects on a risk-adjusted basis. The typical problem encountered in estimating the cost of capital for a division is that it rarely has its own curities traded on the market, so it is difficult to obrve the market’s valuation of the ris
k of the division. Two typical ways around this are to u a pure play proxy for the division, or to u subjective adjustments of the overall firm hurdle rate bad on the perceived risk of the division.
如果我是有钱人
出纳是做什么工作11.    未来10大暴利行业The discount rate for the projects should be lower that the rate implied by the curity market line.  The curity market line is ud to calculate the cost of equity.  The appropriate discount rate for projects is the firm’s weighted average cost of capital.  Since the firm’s cost of debt is generally less that the firm’s cost of equity, the rate implied by the curity market line will be too high. 
12.    Beta measures the responsiveness of a curity's returns to movements in the market. Beta is determined by the cyclicality of a firm's revenues. This cyclicality is magnified by the firm's operating and financial leverage. The following three factors will impact the firm’s beta. (1) Revenues. The cyclicality of a firm's sales is an important factor in determining beta. In general, stock prices will ri when the economy expands and will fall when the economy contracts. As we said above, beta measures the responsi
veness of a curity's returns to movements in the market. Therefore, firms who revenues are more responsive to movements in the economy will generally have higher betas than firms with less-cyclical revenues. (2) Operating leverage. Operating leverage is the percentage change in earnings before interest and taxes (EBIT) for a percentage change in sales. A firm with high operating leverage will have greater fluctuations in EBIT for a change in sales than a firm with low operating leverage. In this way, operating leverage magnifies the cyclicality of a firm's revenues, leading to a high beta. (3) Financial leverage. Financial leverage aris from the u of debt in the firm's capital structure. A levered firm must make fixed interest payments regardless of its revenues. The effect of financial leverage on beta is analogous to the effect of operating leverage on beta. Fixed interest payments cau the percentage change in net income to be greater than the percentage change in EBIT, magnifying the cyclicality of a firm's revenues. Thus, returns on highly-levered stocks should be more responsive to movements in the market than the returns on stocks with little or no debt in their capital structure.

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