the LIGHT behind the illumination the LIGHT behind the illumination
APPENDIX: BEHIND THE SCENES978-3-642-54362-3/1.pdf · APPENDIX: BEHIND THE SCENES 133 Overcoming...
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APPENDIX: BEHIND THE SCENES
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Overcoming limitations of traditional financial analysis
DDM versus “ Decision Tree ” method
How to calculate the FlexValue
The DDM approach – an overview
No black box – the math behind DDM
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133APPENDIX: BEHIND THE SCENES
Overcoming limitations of traditional financial analysis
Focus: Volatilities instead of a lump-sum risk within the WACC
Figure A.1: NVP calculation
109876543210Terminalvalue as
perpetualannuity
Present value Free cash flow
494
Euro900
800
700
600
500
400
300
200
100
0
6260 59 51 5443 44 43 3543
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The WACC factor of influence is intended to depict the specific risk of an investment, for example, but in fact reflects only the risk of a certain in-dustry or company in comparison to the market average at a given point in time. In addition, the WACC can prove highly volatile over time.
Using the current market yield as a component of a specific valuation is arbitrary, as this factor also undergoes massive fluctuations with the passing of time.
The consideration of further specific risks, such as those related to a country strategy or technology-driven investments, takes place on the basis of an arbitrarily selected risk premium added to the WACC.
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135APPENDIX: BEHIND THE SCENES
Figure A.2: WACC
6,0%
Risk-free
interest1)
Betafactor x
Marketyield –
Risk-free
interest
Intereston
capital
4.5% 1.0 10.5%
1) Average interest rate of long-term federal bonds2) Tax shield considered (35% tax rate)
(10.5% 4.5%)
=+
Cost of capitalCost of
loancapital
WACC
Loan capital share: 30%
=–x+Equity share:
70%
Capital structure:
+ 2.0%
correctedWACC
10.52%
8.52% 2)
Focus: How to overcome the DCF scenario problem
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Figure A.3: Development and assessment of scenarios
Technologymodel
Worst case
Base case
entsBest caseTechnology
developments
Marketmodel
Worst case
Base case
Best caseMarket
developments
Strategicoption …
Strategicoption 2
Strategicoption 1
Selected corporatestrategies
Financemodel
Worst case
Expected case
Best caseFinancial analysisof selected busi-ness strategies
High uncertainties
regarding
Research & Development status
Economic availability Development of
CAPEX and OPEX
High uncertainties
regarding
Market penetration
Market share
Competitors
Customer requirements
Limitations regarding
Only selected options
No feasibility of execution
High complexity due to the integration of relevant market and financial aspects
Limitations regarding
Quality of financial results
Reduced transparency due to internal and external communication of investment decisions
Management taps one or more experts to provide comprehensive input on technological challenges expected in the future; the results are used to derive technology scenarios.
Market and customer forecasts, closely linked, are frequently only speculative because of the highly complex nature of these two interde-
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137APPENDIX: BEHIND THE SCENES
pendent areas. For this reason numerous parameters are required to form meaningful market models.
Based on the two points above, the next step is to map the strategically important business models, as well as overall scenarios that are more or less simple to understand.
Upon reaching the final step, a financial model can be calculated for each scenario. The financial model forms the basis for the decision mak-ing process.
Figure A.4: Limitations of scenarios linked with probabilities
NPV
Worst case scenario
NPV
Probability
Expected case scenario
Best case scenario
Worst case scenario
Expected case scenario
Best case scenario
?
Different scenarioshave different values
Probabilities are assigned toscenarios without reliablecalculation
Scenarios are only special casesof value probability distribution
NPV
Probability
Scenario1
Scenario2
Scenario3
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DDM vs. “�Decision Tree�” method
The DDM approach – an overview
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139APPENDIX: BEHIND THE SCENES
Figure A.5: Development stages leading to the Dynamic Decision Management approach
WACC8%
WACC 10%
Risk
NPV NPV
Probability (P)
Bestcase
NPV
Probability (P) Probability (P)
TotalValue
Scenariobundle 1
Scenariobundle 2
Scenariobundle 3
NPV
Risk Risk
Value increasethrough
investment decision
Probability of achieving project
values
NPV with risk premium
Scenario-based NPV
NPV with generalized probabilities
NPV with specific
probabilities
TotalValue 1 2 3 4 5NEW NEW
Expected case
Worstcase
Higher risk signifies higher project-specific WACC
Increase in risk results in lower NPV
Opportunities therefore at a disadvantage compared to risks
Differing risks of individual cash flow elements not taken into account
Depiction of uncertain future cash flows through discrete scenarios and sensitivities
Completeness of alternatives or scenarios not given
No statement on the probability of individual scenarios
Discrete scenarios with specific risks are subjectively assigned probabilities
No calculation of probabilities – thus not able to be evaluated
Expected value and volatilities means steady allocation of cash flows and related probabilities
Completeness of all cash flow factors due to analytic methodology rather than intuition
Probability- related risks taken into account
Consideration of future active management (flexibility)
Optimization of value through active management = by exercising different alternatives
NPV plus value of flexibility = TotalValue
The first
second
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third
The fourth
The fifth
How to calculate the FlexValue
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Figure A.6: Distribution curve
Deconstruction Cold Reserve Operations
Probability(P)
Deconstruction
Switch into Operations
Cold Reserve
Value Period 1 (31.12. 2009)
Probability(P)
Value Period 1 (31.12. 2009)
Switch into Operations
Cold Reserve
6.0%
5.5%
5.0%
4.5%4.0%
3.5%
3.0%2.5%
2.0%1.5%
1.0%
0.5%0.0%
6.0%
5.5%
5.0%
4.5%4.0%
3.5%
3.0%2.5%
2.0%1.5%
1.0%
0.5%0.0%
-10,000 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000
-10,000 0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000
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143APPENDIX: BEHIND THE SCENES
Figure A.7: FlexValue – example calculation
Results
NVP Baseline = EUR 0.45 mn FlexValue = (Sum of discounted, probability weighted difference values) EUR 0.19 mnTotalValue 2009 = EUR 0.64 mn
NPV Baseline: EUR 0.45 mn
20%
30%
50%
Price ofExcecution
Option
Option Value FlexValue
Probability of continuing operations: 30%Time value of future cash flows: EUR 2 mn
Probability of continuing operations: 50%Time value of future cash flows: EUR 0.5 mn
Probability of continuing operations: 20%Time value of future cash flows:EUR -2.0 mn
Price to shutdown operations: EUR -1 mn
Price to shutdown operations: EUR -1 mn
Price to shutdown operations: EUR -1 mn
No shutdown – Option value = EUR 0
No shutdown –Option value = EUR 0
Not applicable
Not applicable
Value = EUR 0.19 mn EUR 1.0 mn x 20% / (1+0.03 risk-free rate)t
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No black box – the math behind DDM
stochastic values or value distributions
stochastic.
Figure A.8: Cash flows and probabilities (1/2)
2016 Dec 31: Cash Flow0 50 100 150 200 250 300
6.0%
5.5%
5.0%
4.5%
4.0%
3.5%
3.0%
2.5%
2.0%
1.5%
1.0%
0.5%
0.0%
Prob
abili
ty
Cash flows in the period ending Dec. 31, 2016Mean, i.e. the expected value in the period ending Dec. 31, 2016
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145APPENDIX: BEHIND THE SCENES
Figure A.8: Cash flows and probabilities (continuance 2/2)
2016 Dec 31: Cash Flow0 50 100 150 200 250 300
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%Pr
obab
ility
Ban
d
50
62
71.5
81.0 101.5
114.5
132
160
High and low end values of this probability bandMean, i.e. the expected value in the period ending Dec. 31, 2016
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Stochastic calculus is elegant but gets extremely complex as soon as we try to apply it to anything other than the most basic decision option constellations, i.e. Real Options. Stochastic calculus, for example, the Black-Scholes model and its extensions, is mainly used to valuate finan-cial options such as calls and puts on stock indexes. Stochastic calculus is very challenging and complex when applied to most real investment problems found in the realm of corporate finance.
Monte Carlo simulation runs a valuation repeatedly (thousands to mil-lions of times), using random input values for every run and statistically analyzing the results. The Monte Carlo simulation as a method is very flexible and widely applicable but rather cumbersome to set up. Run-ning a simulation of anything but the most simple of valuations takes substantial know how and requires lengthy calculation periods, even on very fast computers.
Binomial models are based on binomial trees that generate the required distributions. Discrete binomial models are quite easy to understand and implement. They can be applied to almost any decision structure including options. Unfortunately, classic binomial models based on bino-mial trees have two drawbacks:
− The amount of value probability pairs is very small in early periods, potentially leading to substantial option valuation errors in early periods.
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147APPENDIX: BEHIND THE SCENES
− The binomial tree expands greatly for values with multiple volatility changes or for combined values based on cash flows consisting of mul-tiple components. Even when considering only modest-sized real world problems, billions or even trillions of value/probability pairs have to be calculated and processed. This far exceeds the memory and processing capabilities of desktop computers.
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Figure A.9: Diffusion of probabilities
Time
Value
Gauss-WienerOrnstein-Uhlenbeck
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GLOSSARY
Key terminology of Dynamic Decision Management
» Shows a strategy’s value based on clearly defined as-sumptions; does not presuppose further management action in terms of modifying strategy
» Shows the potential deviations in a strategy’s value when the assumptions change
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151GLOSSARY
» Shows the value of strategic alternatives that are possible because of a pro-active management of the “�baseline�”
» Shows the total value of a strategic decision
A holistic process of assessing and calculating the
uncertainties and flexibility of strategic decisions, gener-
ating a quantitative value as the basis for decision making.
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REFERENCES
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153REFERENCES
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ACKNOWLEDGEMENTS
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155ACKNOWLEDGEMENTS
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157ACKNOWLEDGEMENTS
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AUTHORS
Jochen Gerber
Hanjo Arms
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159AUTHORS
Mathias Wiecher,
Christian Danner