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Real Options - York U

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1 © Copyright 2003, Alan Marshall 1 Real Options Real Options © Copyright 2003, Alan Marshall 2 Real Options Real Options Corporate Valuation Capital Budgeting Value of Follow-on Opportunities Value of Waiting Abandonment Options © Copyright 2003, Alan Marshall 3 The Value of Risky Debt The Value of Risky Debt For simplicity, we shall assume zero- coupon debt with a maturity value, M We shall define D and the value of risky debt and D rf as the value of risk free debt
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© Copyright 2003, Alan Marshall 1

Real OptionsReal Options

© Copyright 2003, Alan Marshall 2

Real OptionsReal Options

Corporate ValuationCapital Budgeting

Value of Follow-on OpportunitiesValue of WaitingAbandonment Options

© Copyright 2003, Alan Marshall 3

The Value of Risky DebtThe Value of Risky Debt

For simplicity, we shall assume zero-coupon debt with a maturity value, MWe shall define D and the value ofrisky debt and Drf as the value of riskfree debt

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© Copyright 2003, Alan Marshall 4

Risky DebtRisky Debt

( )

( )rf

Nf

rf

ND

DDr1

MD

r1MD

<

+=

+=

© Copyright 2003, Alan Marshall 5

Risky DebtRisky Debt

The difference between these valuesis the value of the Put Option, PD,that the Debt holders have sold theEquity holdersThis put option allows the Equityholders to sell the firm to the Debtholders for M if VN < M

© Copyright 2003, Alan Marshall 6

Equity ValuationEquity Valuation

The value of the firm’s levered firm’sequity, EL, is:

EL = V - D= V - [Drf - PD]

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© Copyright 2003, Alan Marshall 7

Equity ValuationEquity Valuation

If at the maturity date of the debt, N,the value of the firm is less than thedebt’s maturity value, VN < M, thenthe Equity holders will not pay thedebt, and let the Debt holders takeover the firm

© Copyright 2003, Alan Marshall 8

Equity ValuationEquity Valuation

Therefore, we can see that the equityof the levered firm can be viewed as acall option on the firm’s assets withan exercise price of MTherefore:

EL = C

© Copyright 2003, Alan Marshall 9

Put-Call ParityPut-Call Parity

This follows directly from Put-Callparity:

EL = CC = V - DC = V - [Drf - PD]C + Drf = V + PD <- Put-Call Parity

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© Copyright 2003, Alan Marshall 10

Capital BudgetingCapital Budgeting

Value of Follow-on OpportunitiesGaining a foothold so that future projectsare possible

Value of Waiting

Abandonment Options

© Copyright 2003, Alan Marshall 11

Follow-on OpportunitiesFollow-on Opportunities

Suppose your firm is evaluating theLev-I, a personal levitation transportdevice. The cash flows are shown onthe next slide

They are extremely simplified, but that isnot important to what we are illustrating

© Copyright 2003, Alan Marshall 12

LevLev-I Project Cash Flows-I Project Cash Flows

Lev-I PLTD Project

2004 2005 2006 2007 2008After-tax OCF 500 500 500 500PV @ 20% 1,294.37Investment 1,500.00NPV (205.63)

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© Copyright 2003, Alan Marshall 13

Why We Might AcceptWhy We Might Accept

We want to preempt the competitionfrom entering the PLTD market whichwe believe will be highly profitable inthe long runThe Lev-I might teach us things thatwill be useful for developing the nextgeneration Lev-II

© Copyright 2003, Alan Marshall 14

LevLev-II -II CashflowsCashflows

Lev-II PLTD Project

2004 … 2008 2009 2010 2011 20121000 1000 1000 1000

PV @ 20% 1,248.43 2,588.73Investment 2,049.04 3,000.00NPV (800.62) (411.27)

Note: Since the investment in 2008 is fixed and known, weare discounting it at the risk free rate of 10%

© Copyright 2003, Alan Marshall 15

Proceed?Proceed?

The Lev-II doesn’t look any betterThe NPV is twice as bad as the Lev-IThis business does not lookpromising!

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© Copyright 2003, Alan Marshall 16

The The LevLev-II as an Option-II as an Option

Undertaking the Lev-I gives us anoption to do the Lev-II, which will notbe available without the Lev-ICan we value the option?

© Copyright 2003, Alan Marshall 17

Call Option ValuationCall Option Valuation

TdT

2T

XeSln

d

T2T

XeSln

d

)d(NXe)d(NSC

1

2

rT

2

2

rT

1

2rT

1

σ−=σ

σ−

=

σ

σ+

=

⋅−⋅=

© Copyright 2003, Alan Marshall 18

CommentComment

This may look a bit different:No rfT term in the d1 and d2 calculationXe-rt, not X, in the denominator of thelogarithmThe result is the same, but a bit moreelegant

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© Copyright 2003, Alan Marshall 19

Option Valuation ParametersOption Valuation Parameters

BSOPM ParametersValue

S Today's PV of the cash flows 1,248.43X Cost (Investment) of the Project 3,000.00rf Risk free rate 10% T Term of the option (Years) 4σ Standard Deviation (assumed) 50%

© Copyright 2003, Alan Marshall 20

Option ValuationOption Valuation

BSOPM CalculatorExercise Price of Option $3,000.00

Current Price of Underlying $1,248.43

Annualized Standard Deviation 50.00%

Annual Riskfree Rate 10.00%

Term to Expiry (in Years) 4.0000

Call Price $305.30

© Copyright 2003, Alan Marshall 21

Re-evaluating the Re-evaluating the LevLev-I-I

The DCF valuation of the Lev-I was(205.63)The Lev-II option is worth 305.30With the Lev-II option, the Lev-I isworth 99.67 > 0, accept

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© Copyright 2003, Alan Marshall 22

How Can It Be So Valuable?How Can It Be So Valuable?

The option valuation only considersthose outcomes that will result inpositive NPVs for the Lev-IIIf we get to 2008 and find theexpected cash flows are better thanwe anticipated, we will proceed withthe Lev-IIOtherwise, we do not proceed

© Copyright 2003, Alan Marshall 23

Cautionary NoteCautionary Note

Option theory can be used to justifyvery optimistic valuationsWhat happens is all of the firm’sprojects are accepted based on thevalue of options and none of theoptions expire in the money?

© Copyright 2003, Alan Marshall 24

Value of WaitingValue of Waiting

You have a claim that will allow yourfirm to obtain a 100% interest in anoil well by simply investing the $10million needed to develop the wellIf development has not begun by nextyear, the claim will expire and revertback to the government

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© Copyright 2003, Alan Marshall 25

Value of WaitingValue of Waiting

Currently, you forecast annualperpetual cash flows of $1.1 millionThe discount rate is 10%NPV = 1.1MM/10% - $10MM = $1MMThis is positive, so you could proceedimmediately

© Copyright 2003, Alan Marshall 26

Price UncertaintyPrice Uncertainty

Suppose that the price of oil is volatileIf the price of oil next year falls, theexpected perpetual annual cash flowswould be $0.8MM, resulting in aproject NPV of ($2MM)If the price rises, these cash flows willrise to $1.4MM, resulting in a projectNPV of $4MM

© Copyright 2003, Alan Marshall 27

First Year ReturnsFirst Year Returns

Low Price:(0.8MM + 8.0MM)/$10MM = -12%

High Price(1.4MM + 14MM)/$10MM = 54%

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© Copyright 2003, Alan Marshall 28

Risk Neutral Expected ReturnRisk Neutral Expected Return

Assume an risk free rate of 10%Let πH be the probability of high price

The probability of low price is (1- πH)

E(r) =(-12%)(1-πH)+54%(πH) = 10% πH = 1/3

© Copyright 2003, Alan Marshall 29

Option to WaitOption to Wait

If you wait until next year, what is thewell be worth today?[(1/3)x4MM + (2/3)(0)]/(1.1) =$1.21MM, compared to the $1MM isdeveloped now

© Copyright 2003, Alan Marshall 30

Why Is Waiting Valuable?Why Is Waiting Valuable?

The passage of time resolvesuncertaintyIf a year from now, the conditionsdeteriorate, we can decide not toinvest in a bad projectWe are cutting of some of the left tailof the distribution

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© Copyright 2003, Alan Marshall 31

Abandonment OptionAbandonment Option

We can invest $12MM in a projectthat will generate gross margin of$1.7MM annually. This margin isexpected to grow at 9% annuallyFixed costs are $0.7MM annually andwill not grow.

© Copyright 2003, Alan Marshall 32

DCF AnalysisDCF Analysis

Project Abandonment Example

YEAR 0 1 2 3 4 5 6 7 8 9 10Forecast Revenues 1.85 2.02 2.20 2.40 2.62 2.85 3.11 3.39 3.69 4.02Present value 17.00Fixed Costs 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70Present value 5.15NPV (0.15)

Investment = 12 Note Since fixed costs are not uncertain,Year 1 cash flow = 1.7 they are evaluated at the risk free rate

Cash flow growth = 9.00%Fixed costs = 0.7

Discount rate = 9.00%RF = 6.00%

© Copyright 2003, Alan Marshall 33

AbandonmentAbandonment

Ignored in the previous example isthe fact that there are many possibleoutcomes or paths where it may bebetter to stop the project and collectthe project salvage values.Suppose that $10MM of the $12MMproject cost is for fixed assets thathave a salvage value that declines at10% annually.

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© Copyright 2003, Alan Marshall 34

Building a Binomial TreeBuilding a Binomial Tree

Suppose that historically prices haveevolved according to a random walkwith a σ = 14%

87.015.1/1u/1d15.1eeu 14.0T

====== σ

© Copyright 2003, Alan Marshall 35

Risk Neutral Expected ReturnRisk Neutral Expected Return

With a risk free rate of 6%Let πH be the probability of high price

The probability of low price is (1- πH)

E(r) =(-13%)(1-πH)+15%(πH) = 6% πH = 0.6791

Note, there is a minor rounding error in thesource example

© Copyright 2003, Alan Marshall 36

Binomial TreeBinomial Tree

See the spreadsheet

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© Copyright 2003, Alan Marshall 37

DiscussionDiscussion

Again, the value is created by theflexibility of being able to eliminatethe unfavourable results or branches


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