Chapter 12 - CHAPTER 12 RISK, COST OF CAPITAL, AND CAPITAL...

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CHAPTER 12 RISK, COST OF CAPITAL, AND CAPITAL BUDGETING Answers to Concept Questions 1. It is the minimum rate of return the firm must earn overall on its existing assets. If it earns more than this, value is created. 2. Book values for debt are likely to be much closer 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 expense is tax-deductible. There is no difference between pretax and aftertax equity costs. 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 essentially uses historical information to estimate these parameters. The risk-free rate is usually estimated to be the yield on very short maturity T-bills and is, hence, observable; the market risk premium is usually estimated from historical risk premiums and, hence, is not observable. The stock beta, which is unobservable, 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 observed, the company has an accurate estimate of its cost of debt. If the debt 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 classes, (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 arises when the firm has more than one issue outstanding; these issues rarely have the same yield because no two issues are ever completely homogeneous. 8. a. This only considers the dividend yield component of the required return on equity. b. This is the current yield only, not the promised yield to maturity. In addition, it is based on the book value of the liability, and it ignores taxes.
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Chapter 12: Risk, Cost of Equity Capital, and Capital Budgeting c. Equity is inherently riskier than debt (except, perhaps, in the unusual case where a firm’s assets have a negative beta). For this reason, the cost of equity exceeds the cost of debt. If taxes are considered in this case, it can be seen that at reasonable tax rates, the cost of equity does exceed
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Chapter 12 - CHAPTER 12 RISK, COST OF CAPITAL, AND CAPITAL...

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