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2007-1-26 Corporate Finance 1
Important Information: MidtermTime: Feb. 13, 6-8p.m.
Location: Bahen Center for Information Technology, 40 St George St
Exam room: L0201: BA1180 L0601: BA1190
For those who cannot make it from 6-8pm, please give me your names and IDs so that your seats in the conflict room can be arranged.
Conflict room I: WB 116 (4-6pm) same day. Wallberg Building 184-200 College St.
Conflict room II: BH 3116, 8-10pm, same day
2007-1-26 Corporate Finance 2
Important Information: Midterm
Cover: Chapters 9, 11, 13-17, 20, 21
If you have missed one midterm exam, please try not to miss this one as a make up exam will cover everything since the beginning of the year.
A one-sided 8.5*11 crib sheet and a calculator are allowed.
It is strongly recommended that you do the past exam questions to get a feeling about the level of difficulty of the midterm.
2007-1-26 Corporate Finance 3
PortfolioA portfolio of securities A, B, and C:
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2007-1-26 Corporate Finance 4
Effect of Diversification
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2007-1-26 Corporate Finance 5
Effect of Diversification: N Assets
30 40 Number of stocks
σ2P
Systematic risk (market risk)
n as ,
n
1-1
n
ij2p
ijip
22 1
2007-1-26 Corporate Finance 6
Effect of Diversification
Unsystematic risk (σ2ε)
Variation of a stock
(σ2i) Systematic risk, (β2
iσ2m)
To reach good diversification, 30-50 securities is needed in a portfolio.
As the number of securities in a portfolio increases, the total variation of the portfolio approaches the average covariance of the securities asymptotically.
2007-1-26 Corporate Finance 7
Effect of Diversification
The relevant risk of a security is its contribution to the risk of a well diversified portfolio.
As the number of securities increases, the marginal contribution of an asset’s variance to portfolio variance decreases, the marginal increase in the portfolio variance comes from the asset’s covariance with other assets in the portfolio.
2007-1-26 Corporate Finance 9
Market Portfolio & Efficient Portfolio
Market portfolio: A market portfolio is a portfolio consisting of all securities where the proportion invested in each security corresponding to its relative market value.
If everyone holds the tangency portfolio (optimal mix of risky assets), tangency portfolio is the market portfolio,.
CML connects the (0, rf) and (σm, rm ) Efficient Portfolio: Every efficient portfolio can be constructed by holding the market portfolio and risk free asset.
N1,2,...,i for V
Vw N
jj
ii
1
2007-1-26 Corporate Finance 10
Efficient Set & Minimum Variance
Capital Market Line: For a given rf, the optimal market portfolio is M
The slope of the CML is the Sharpe ratio.
Pm
fmfP
m
fm
rrrrCML
rr Ratio Sharpe
:
*
retu
rn
m
efficient frontier
rf
M
CML
rm
m*
Every efficient portfolio can be constructed by holding the market portfolio and the risk free asset.
Every efficient portfolio lies on the CML line
2007-1-26 Corporate Finance 13
The Concept of CAPM
Assumptions:
No transaction costs; No taxes
Infinitely divisible assets
Perfect competition
Quadratic utility function
Unlimited short sales and borrowing and lending at the risk free rate
Homogeneous expectation
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M
2007-1-26 Corporate Finance 14
BetaBetas are standardized around one
If β=1 E(rS)=rm Average risk investment
β>1 E(rS)>rm the risk premium of the asset > the market risk premium Above average risk investment asset magnifies the effect of market
0<β<1 E(rS)<rm Below average risk investment
β=0 E(rS)=rf Risk-less investment
β<0 E(tS)<rf Useful as hedgeAverage beta cross all investments is 1
2007-1-26 Corporate Finance 15
Portfolio Beta
Portfolio beta
(wAβA) is the proportion of the risk of the market portfolio contributed by asset A.
Asset beta and equity beta
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2007-1-26 Corporate Finance 16
The Properties of CAMP
Systematic risk is the only risk which is compensated.
The correct risk measure for a portfolio is variance, the correct risk measure for a security is its beta.
Risk premium of an asset does not depend on its own risk, rather is proportional only to its contribution to market portfolio risk.
Every efficient portfolio can be constructed by holding risk-free asset and optimal mix of risky assets (tangency portfolio, market portfolio)
2007-1-26 Corporate Finance 17
Estimating BetaModel: rj-rf=αj+βj(rm-rf)+εj
where rj= returns of stock j, rm= returns of market portfolio, rf =risk free rate
Var(rj) = Var(α+βjrm+ε)=βj2σm
2 +σε2
ε : random error term. All the variation that cannot be explained by βis included inε. Therefore, σε
2 represents unsystematic risk, the corresponding value is given by the SS (residual)/df term in regression analysis output.
αj= abnormal return. Measures the deviation of the stock’s performance from what is predicted using the CAPM
2007-1-26 Corporate Finance 18
Estimating Beta
rj-rf =αj+βj(rm-rf)+εj
0
0.04
0.08
0.12
0.16
0.2
0.05 0.10 0.15 0.20
Market Return
Sec
uri
ty R
etu
rn
2007-1-26 Corporate Finance 19
Alpha: the Abnormal Return
Alpha=actual return-CAPM prediction
Alpha >0, stock is undervalued
Alpha<0, stock is overvalued
The slope of SML is the risk premium of market portfolio
Risk premium
α
rf
ri
E(ri)
βi
rm
β=1
Security M
arket Line
M
2007-1-26 Corporate Finance 20
CML and SMLIn CAPM world, all assets and portfolios lie on the SML yet only efficient portfolios which are combinations of the market portfolio and the riskless asset lie on the CML. This can be shown as follows. ef: efficient portfolio.
efficient. is p i.e. ,correlatedperfectly be must portfolio
market the and p whenthat note Further line. CML
satisfy can p portfolio then only when that seecan we
rrrr :CML to SMLcompare
rrrr : SML ,
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2007-1-26 Corporate Finance 21
CML and SML
Both give a relationship between risk and returnExpected return = Time premium + Risk premium
Risk premium = Quantity of risk*Price of risk
Measure of riskCML – σSML – β
Applicability, in CAPM world CML is applicable only to an investor’s final portfolio
Everyone holds portfolios which lie on the CML
SML is applicable to any security, asset, or portfolio
Every asset lies on the SML
2007-1-26 Corporate Finance 22
Summary
Portfolio beta and weights.
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m
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rr Ratio Sharpe
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)(β fmifi rrrr SML
2007-1-26 Corporate Finance 23
Summary
Variance decomposition
111
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PBBAA
w w
)ρσ)(wσ2(w)σ(w)σ(wσ
σww
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The effect of diversification (two risky assets)
Abnormal return - alpha)]([ˆ fmjfjj rrrr
2007-1-26 Corporate Finance 24
Review: EMH
The level/degree/form of efficiency in a market depends on two dimensions:
The type of information incorporated into price (which information is available?)
The speed with which new information is incorporated into price (how fast information is reflected?)
Why study EMHIf market prices reflect at a given date only information of a particular type, then one can profit by trading based on information relevant for pricing but not yet reflected in prices.
2007-1-26 Corporate Finance 25
Review : EMHTo assess the level of market efficiency one often needs to know the security’s value, which requires knowing how assets are priced.
Joint test problem in empirical tests of the EMHTesting market efficiency often requires a pricing model to assess an asset’s expected return, as the question whether price reflects a given piece of information depends on the benchmark to which the actual returns are compared. It is a joint test of market efficiency and the pricing model used in a research. Therefore, research results can be biased if the model is not correctly specified or the data set used in the research is biased.
2007-1-26 Corporate Finance 26
Review : EMHThe basic concept of EMH is that efficient market fully reflects available information. Whether market participants reveal certain information or not has nothing to do with whether market is efficient or not. Market cannot reflect the information that is not available.
Biased research results cannot tell if the market is efficient or not. An empirical study can be meaningful only if the study results can be replicated by many other researchers. A single outlier case cannot refute the EMH.
Public information cannot lead to abnormal profits does not mean investors cannot profit from good news. An investor bought a stock and later the firm announced a good news, the investor enjoyed an abnormal return associated with the news.
2007-1-26 Corporate Finance 27
Review : EMHAt the time when he bought the stock, however, the “good news” was not public information, rather it was an event unknown to him.
Semi-strong EMH says fundamental analysis cannot do investors any good. This statement does not imply that one cannot profit from inside information, or that a group of fund managers who actually participate in management of firms which they own shares cannot generate consistent abnormal return over years.
Efficient market prices information asymmetry in a way that firms’ attempts to take advantage of information asymmetry only lead to market’s adverse reactions. Market assumes that
2007-1-26 Corporate Finance 28
Review : EMH
management knows more about firm’s future prospect than investors do. Hence market tends to act adversely to seasoned equity offering. Equity offering is interpreted as a signal that the firm’s stock is overvalued. A firm cannot take advantage of its overvalued stock price through a SEO, as the problem of overvaluation is corrected at the time of the SEO announcement if market is semi-strong efficient.
EMH implies that after adjusting for risk, investments in financial securities are zero NPV projects. Investors can only expect to earn fair return on their investments after adjusting for risk. Certain mutual funds do earn higher returns than others
2007-1-26 Corporate Finance 29
Review : EMHbecause the risk levels associated are higher as well. For example, growth funds have higher risk than income funds or money market funds. And on average growth funds are expected to deliver higher returns than income funds.
CAPM model deals with expected return, not a unique outcome of return. When we say the expected return is E(r), we mean that, with a large sample, the average return is approximately equal to E( r ). With a large sample, there is a distribution. It is only nature that some have returns higher than E( r) and others below E (r ). Some mutual funds do outperform others from time to time.
2007-1-26 Corporate Finance 30
Review : EMH
For one fund to outperform others consistently over an extended period of time, there must be other factors at work, such as information that is not publicly available or the fund managers have superior ability to derive insightful information from public information, which most other market participants fail to accomplish. The latter case is very rare and cannot serve as an evidence that market is not efficient.
2007-1-26 Corporate Finance 31
The Cost of Debt
The cost of debt is the rate at which the company borrows today
Corrected for the tax benefit it gets for interest payments rB(1-Tc)
The cost of debt is not the interest rate at which the company obtained the debt it has on its books
To estimate the cost of debt:If the firms has bonds outstanding, and the bonds are traded, the yield to maturity on a long-term, straight (no specific features) bond can be used as the interest rate.
If the firm is rated, use the rating and a typical default spread on bonds with that rating to estimate the cost of debt
If the firm is not rated, and it has recently borrowed long term from a bank, use the interest rate on the borrowing or estimate a synthetic rating for the company, and use the synthetic rating to arrive at a default spread and a cost of debt
The cost of debt has to be estimated in the same currency as the cost of equity and the cash flows in the valuation.
2007-1-26 Corporate Finance 32
Example 1You have found a stock which has a beta of 1.5, and an expected return of 10%. The current risk free rate is 2%. The return on market portfolio is 8%. Should you own this stock or is it better to hold the market portfolio in some combination with the risk free asset? If so, give the weights of your portfolio.
E(ri)=rf+βi (rm-rf)=0.02+1.5(0.08-0.02)=0.11 >0.10
Thus, the stock is overvalued. Now let’s construct a portfolio with the same level of beta. Notice that market beta is 1 and beta of risk free asset is 0, the following portfolio has a beta of 1.5: βP =wfβf +wmβm=(-0.5)(0)+1.5(1)=1.5
The return on the portfolio =(-0.5)(0.02)+1.5(0.08)=0.11
2007-1-26 Corporate Finance 33
Example 2
You currently have 50% of your wealth in a risk-free asset and 50% in the four assets below:
Asset i
Expected return on asset i
Beta i Weight i
i=1 7.60% 0.2 10%i=2 12.40% 0.8 10%i=3 15.60% 1.2 10%i=4 18.80% 1.6 20%
2007-1-26 Corporate Finance 34
Example 2(cont)
A) If you want an expected rate of return of 12%, you can obtain it by selling some of your holdings of the risk-free asset and using the proceeds to buy the equally weighted portfolio A. If this is the way you decide to revise your portfolio, what will the set of weights your revised portfolio be?
B) If you hold only the risk-free asset and the portfolio A, what set of weights would give you an expected rate of return of 12%?
2007-1-26 Corporate Finance 35
Example 2(cont)
A) Liquidate x percentage of your wealth from risk free asset holding and invest it equally in the four assets
22.12% x
rxrxrx0.12
i for xw
1,2,3i for xw xw
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if
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2007-1-26 Corporate Finance 36
Example 2(cont)
211.0789.01
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f
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Af
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w
w
ww
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B) To obtain 12% return by holding risk free asset and portfolio A.
2007-1-26 Corporate Finance 37
Example 3The market data of S&P 500, an efficient portfolio E, and two technology stocks TX and TY are given below. The correlation coefficient of the return of TX and return of TY is 0.5.
Security Standard Dev. Beta Expected Return
S&P 500 15.5% 1.00 ?
TX 19.2% 1.07 12.68%
TY 36.3% 1.02 10.96%
E 17.0% ? ?
A) Calculate the market risk and the unique risk for TX and TY
2007-1-26 Corporate Finance 38
Example 3(cont)
B) Is TY riskier than TX? Explain.
C) In order to reduce risk you consider a portfolio A with a weight 0.6 of TX and 0.4 of TY. Calculate the expected return, the beta, and the variance of portfolio of A.
D) Calculate the diversification effect between portfolio A and stock TX and stock TY.
E) Calculate the expected return on the efficient portfolio E.
2007-1-26 Corporate Finance 39
Example 4The management of firm A is considering to start a new project. The project requires an initial investment equal to $1m. The risk of the project is identical to that of the firm’s current risky assets. The expected rate of return on the new project is 15% annually, forever. The firm’s balance sheet (market values) prior to the announcement of the investment project is as follows:
Risky Assets $5m Equity $4m
Cash $1m Debt $2m
Total $6m $6m
There are 100,000 shares outstanding. The beta of the firm’s stock is 1.35, the beta of its debt is 0.15, the risk free rate is 4% and the expected market risk premium is 7%.
2007-1-26 Corporate Finance 40
Example 4 (cont)
A) Calculate (1) the beta of the firm, and (2) the beta of the firm’s risky assets
B) Calculate the NPV of the new project, Ignore tax considerations
C) Within the board of directors there is a discussion about the optimal financing choice. The CFO prefers debt since this increases the firm’s profit per share, and thus, the value of the shares. Do you agree with the CFO (ignore taxes)? Motivate your answer. Limit your answer to a maximum of 3 sentences.
2007-1-26 Corporate Finance 41
Example 4 (cont)
D) The CEO also wants to finance with (risk-free) debt. However, she claims that due to a tax advantage of debt financing, using risk-free debt will reduce the firm’s weighted average cost of capital (WACC), and thus also reduce the hurdle rate for future investments. Do you agree with the CEO? Again, motivate your answer and limit your answer to three sentences.
2007-1-26 Corporate Finance 42
Example 5In an IPO, “money left on the table” refers to the difference between the offering price per share and the price at which the stock trades in the secondary market shortly thereafter (usually at the close of trading on the issuance date), multiply by the number of shares sold. For example, if firm TheGlobe issued 4m shares at an offering price of $9, and the share price closed at $63.50 on the offering day, TheGlobe could be said to have left $218.0 million on the table. Both TtheGlobe and its underwriter (Bear Sterns) seem to forgo money on this, since underwriter commissions are based on a percentage of the offering price. Why would Bear Stearns not have selected a higher offering price for TheGlobe, (i.e. What pressures and tradeoff does the underwriter face in pricing an IPO?
2007-1-26 Corporate Finance 43
Example 5(cont)
First, we should not assume that Bear Sterns knew that TheGlobe would rise to $63.50 per share in the first day of trading. The $63.50 figure is based on hindsight. However, Bear Sterns has an incentive err on the side of pricing too low rather than too high. An offering price that is too high results in a failed offer, something that would be very costly, reputation-wise, to both the firm and the underwriter. In addition, Bear Sterns has only a single transaction relationship with the firm, but an on-going multiple transaction relationship with the investors who will be buying the TheGlobe shares from Bear Sterns. The underwriter wants very much for its regular customers to earn a positive return on the IPO so that they will be willing to subscribe to Bear Sterns’
2007-1-26 Corporate Finance 44
Example 5 (cont)
future underwritten offering. This matters much more to Bear Sterns than TheGlode, resulting in another example of the agent-principal problem.
2007-1-26 Corporate Finance 45
Example 6 GBU is bidding to take over its smaller competitor, NER Electronics. GBU has 3 million shares outstanding selling at $40 per share and has no debt. NER has 2 million shares outstanding selling at $25 per share and is an all equity firm. GBU believes that it can streamline NER’s operation and bring in a perpetual EBIT of $12 million from the NER division after the acquisition. The equity beta is 1.89 for GBU and 1.60 for NER. The cost of risk free debt is 5% and market risk premium is 6%. The industrial debt to equity ratio is 1, which is considered to be optimal. After the acquisition, both firm will undergo restructuring and bring the new firm’s leverage ratio to the industrial average. If the acquisition is not successful, GBU will restructure its capital mix through an
2007-1-26 Corporate Finance 46
Example 6 (cont)exchange offer. The tax rate for both firm is 40%. Assume there are no other market imperfections.
A) If NER can be acquired for $30 per share, what is the NPV of the acquisition to GBU?
B) What will GBU’s stock price be when the market learns it plans to acquire NER for $30 per share and the leverage restructuring plan? How many shares should GBU offer NER stockholders per each NER share?
C) Often in acquisition bids, target firms reject the initial bid because they believe the bidder will offer a higher price. Suppose NER rejects GBU’s bid of $30 per share, but says it will approve an offer of $35 per share. Will GBU shareholders approve of this offer? What will GBU’ share price be if the firm agrees to pay $35 per share for NER?
2007-1-26 Corporate Finance 47
Example 7
A firm has 5,000,000 shares of common stock outstanding with a market price of $9.00 per share. It has 25,000 bonds outstanding, each selling for $1,100. The bonds mature in 12 years, have a coupon rate of 8.5% and pay coupons annually. The firm’s equity beta is 1.4, the risk free rate is 5%, and the market risk premium is 9%. The tax rate is 35%. Calculate the WACC
1,100=85{[1-1/(1+YTM)12]/YTM}+1,000/(1+YTM)12
YTM=7.23%
rS=0.05+1.4(0.09)=17.6%
WACC=17.6(45/72.5)+7.23(27.5/72.5)(1-0.35)=12.71%
2007-1-26 Corporate Finance 48
Example 8DayTop Inns is a publicly traded company, with 10 million shares trading at $70 a share and $300 million in debt (market value) outstanding. The firm derives 60% of its value from hotels and the remaining 40% from transportation. The unlevered beta is 0.8 for firm’s in the hotel business and 1.2 for the firms in the transportation business. DayTop is rated A and can borrow money at 5%. The risk free rate is 4.5% and the market risk premium is 4%, the corporate tax rate is 40%
A) Estimate the WACC for DayTop Inns.
2007-1-26 Corporate Finance 49
Example 8
B) DayTop Inns is considering acquiring SwissHotels, another hotel company (which derives 100% of its revenues from hotels) for $400 million, three quarters of the $400 is to be fund by a new debt issue (which will cause its rating to drop and its cost of debt to rise to 5.5%) and a quarter by issuing new stock. Set up the market value balance sheet for DayTop Inns before, at the time of announcement and after the announcement. Estimate the firm’s WACC after the acquisition. Assume stock price remains unchanged after the acquisition.
2007-1-26 Corporate Finance 50
Example 9
A firm with $2m in assets and 50% debt in its capital structure is considering a $250,000 project. The firm’s after tax weighted average costs of capital is 10.4%, the (before tax) cost of debt is 8%, and the tax rate is 40%. If the project does not change the firm’s operating risk and is financed exclusively with new equity, what rate of return should it earn to be acceptable?
2007-1-26 Corporate Finance 51
Example 9(cont)
Since the project does not change the firm’s operating risk, the project’s required rate of return on unlevered equity must be the same as the firm’s. And since the project is all equity financed, the required rate of return for accepting the project is 13.9%.
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Sr
r
rrBS
TcBr
BS
Sr
2007-1-26 Corporate Finance 52
Example 10You are asked to advice the board of directors about the discount rate to be used for evaluating new projects. The board of directors discussed this issue and made the following comments:
Director 1: The firm should not worry about setting a discount rate since majority of our projects are financed with retained earnings which do not cost us anything.
Director 2: Since the firm uses particular sources of finance such as debt, and/or equity and the costs of
2007-1-26 Corporate Finance 53
Example 10 (cont)these sources vary, hence each project should be discounted at the rate related to the sources of financing.
Director 3: Each project has the risk level associated with the industrial sector where it operates. The discount rate should reflect the risk level of a particular project.
Write your report and give your recommendation. Critically evaluate the issues raised by the directors. Address the key factors that they should consider in deciding upon a discount rate for the company.
2007-1-26 Corporate Finance 54
Example 10 (cont)Assume we are in a world with taxes but no other market imperfections.
There are two sources of risk: business risk and financing risk. The required rate of return on equity reflects both business and financing risk. A project is financed by retained earning means all equity financing. A project is in the form’s core business implies that the project has the same business risk as the firm’s. If the project has the same business risk and it is all equity financed then the firm’s cost of unlevered equity is the appropriate discount rate.
If a project has the same business risk but a different financing risk because it uses a debt level different from that of the firm, then the appropriate method to evaluate the project is to
2007-1-26 Corporate Finance 55
Example 10 (cont)discount the cash flow from the project by the rate of return on firm’s unlevered equity, which reflects the firm’s business risk. Then add the value of tax shield generated by the debt amount used in the project, which reflects the project’s financing risk.
If a project has different business risk as well as a different financing risk, one needs to analyze the business risk of that particular industry where the project operates, and incorporate the financing risk into the discount rate.
2007-1-26 Corporate Finance 56
Example 11
You are hired by EBB to estimate the firm’s equity beta. EBB is newly listed on a stock exchange and there is not enough data for a reliable estimate. You advised the firm that the equity beta can be estimated by examining the betas of other firms in the same industry. You have identified three firms:
(1). Point has a reported beta of 1.3. This firm has been listed for many years. Point has equity of $19.5m and bond of $9m.
(2). Green has a reported equity beta of 1.2. It is reported that 50% of Green’s business has an estimated beta of 1.5. The remaining activities of Green are believed to be of the same level of risk as those of EBB. Green has recently repaid in full
2007-1-26 Corporate Finance 57
Example 11(cont)
its outstanding debt, and thus at this point in time Green is financed entirely by equity.
(3) Blueriver has $15m of equity and $10m of debt, and a reported beta of 1.63.
You are told the current tax rate is 20%. Assume that the debt is risk free, debt beta is zero.
2007-1-26 Corporate Finance 58
Example 11 (cont)
9708.03/)063.19.09494.0(:
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Blueriver
Green
TcBS
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intPo
2007-1-26 Corporate Finance 59
Example 11(cont)
Assume EBB is all equity financed then the firms’ equity beta equals 0.9708.
2007-1-26 Corporate Finance 60
Example 12
In order to accurately assess the capital structure of a firm, it is necessary to convert its balance sheet figures to a market value basis. KJM corporation's balance sheet as of today, January 1, 2006, is as follows:
Long-term debt (bonds, at par) $10,000,000
Preferred stock 2,000,000
Common stock ($10 par) 10,000,000
Retained earnings 4,000,000
Total debt and equity $26,000,000
The bonds have a 4 percent coupon rate, payable semi-annually, and a par value of $1,000. They mature on January 1, 2016. The yield to maturity is 12 percent, so the bonds now sell below par. What is the current market value of the firm's debt?
2007-1-26 Corporate Finance 61
Example 12 (cont)
Market value of the firm’s debt (bonds):
Bonds are semiannual, so we need to make adjustments before calculating the PV per bond:
M=10 years, N=20 period; Yield=12% period discount rate=12%/2=6%; per period coupon payment=$40/2 = $20
PV = 20 (1/0.06 – 1/0.06(1.06)^20) + 1000/(1.06)^20 = 229.4 + 311.8
= $541.2
The book value of the bonds: $10,000,000, each bond has a par value of $1000. This means that 10,000,000 / 1000 = 10,000 bonds outstanding.
The market value of bonds = 10,000 * 541.2 = 5,412,000 $.
2007-1-26 Corporate Finance 62
SummaryTc=0 VL = VU
Tc>0 VL = VU + TC B
TS>0, TB>0, TC>0
)( 00 BL
S rrS
Brr
)()1( 00 BCL
S rrTS
Brr
BT
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B
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1
)1()1(1
2007-1-26 Corporate Finance 63
Summary: Value of the Firm
BSTcBVV
r
TcBrEBITS
r
TcEBITV
r
TcEBITV
LUL
S
BL
U
WACCL
)1)((
)1(
)1(
0S
BL
U
r
TsTcBrEBITS
r
TsTcEBITV
)1)(1)((
)1)(1(
0
2007-1-26 Corporate Finance 64
Summary: The Effects of TaxesWithout tax
Net earning
= EBIT-rBB
VU=EBIT/r0
VL=VU
Total cash flow to investors
=SLrS+BrB=VUr0
With tax
=(EBIT-BrB)(1-Tc)
Tax shield value = Tc B
VU=EBIT(1-Tc)/r0
VL=EBIT(1-Tc)/r0+Tc B
=VU +Tc B
Total cash flow to investors
=SLrS+BrB=VUr0+TcBrB
2007-1-26 Corporate Finance 65
Review: Costs of Capital-WACC
PL
SL
LB
LB
L
SL
LB
L
CS
L
LB
L
rV
Pr
V
SrTc
V
BrTc
V
BWACC
rV
Sr
V
TBr
BS
Sr
SB
TcBWACC
22
11 )1()1(
)1()1(
rBi: pretax cost of debt irS cost of levered equity; rP: cost of preferred equityProblems: 1. Requires capital structure to be constant and same beta 2. Confusion between firm’s wacc and a project’s wacc
2007-1-26 Corporate Finance 66
Review: CAPM– Which Beta
0))1(
1(
)()1(
)1(
)1(
)1(
)(
)(
BL
AS
BAL
AS
BL
SL
LA
fmAfA
fmSfS
whenS
TcB
(B) S
TcB
(A) TcBS
TcB
TcBS
S
rrrr
rrrr
2007-1-26 Corporate Finance 67
firm. identical unlevered alhypothetic
the for ,equity unlevered the is :Note
(C) TcBS
S
TcBS
TcB
Taxes withLevered
SB
S
SB
B
Taxes withoutLevered
Taxes withoutor withUnlevered
U
SL
LB
LAU
AWACC
SL
LB
LAU
S U
)1()1(
)1(
2007-1-26 Corporate Finance 68
Review: Relationship Between Costs of Capital
0Tc whenrBS
Br
BS
Sr
rTcBS
TcBr
TcBS
Sr
BL
SL
L
BL
SL
L
0
0 )1(
)1(
)1(
2007-1-26 Corporate Finance 69
Factors Affect Target B/S Ratio
TaxesIf corporate tax rates are higher than bondholder tax rates, there is an advantage to debt. TB < TC
Types of AssetsHigh bankruptcy cost <= Intangible assets <= R&D costs, human capital costs
Uncertainty of Operating IncomeTechnological changes; Competitions; Demands; Costs.State of economy; New regulations.
Pecking Order TheoryCash reserve => debt => equity
Static Tradeoff TheoryTarget D/E ratio in a given industry