Chapter 12: Risk and Capital Budgeting - PowerPoint PPT Presentation

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Chapter 12: Risk and Capital Budgeting

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Skip Exhibit 12-3, 4, and 5. B. Scenario Analysis (review this in Chapter 11) ... Also may skip page 383-385. Monte Carlo simulation ... – PowerPoint PPT presentation

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Title: Chapter 12: Risk and Capital Budgeting


1
Chapter 12 Risk and Capital Budgeting
  • Skip Exhibits. 12-3, 4, and 5
  • How to incorporate Risk into the model Monte
    Carlo Simulation
  • Real Option Application of Black-Scholes Option
    pricing model to capital budgeting

2
Basic Statistics and Excel functions
  • Expected Return Average ( )
  • Variance VAR ( )
  • Standard Deviation STDEV ( )
  • Covariance COVAR ( , )
  • Correlation CORREL ( , )
  • Probability Distribution Possible events (Cash
    flow) and its probability

3
Basic Statistics and Excel functions
  • Expected Return
  • Variance
  • Probability Distribution Possible events (X
    Cash flow) and its probability ( P )

4
Basic Statistics and Excel functions
  • Standard Deviation Squared Root of Variance
  • These are expected numbers. In practice we use
    the estimated numbers (sample mean, sample
    variance, etc.)

5
Basic Statistics (Estimates) and Excel functions
  • Expected Return Average ( )
  • Variance VAR ( )
  • Standard Deviation STDEV ( )
  • Covariance COVAR ( , )
  • Correlation (Rho) CORREL ( , )

6
Simulation
  • 1. Start with the standard capital budgeting
    problem
  • 2. We add uncertainty into the problem. What if
    some of input variables change in the future?
  • A. Sensitivity how the result changes with
    respect to a change in some variables. Sometimes
    it is sensitive, sometimes not. We focus on the
    variables to which the results are sensitive.
    Skip Exhibit 12-3, 4, and 5.
  • B. Scenario Analysis (review this in Chapter 11)
  • C. Monte Carlo Simulation Full-scale scenario
    with probability distribution You need to install
    ExcSim Add-ins on the Website. Also may skip page
    383-385.

7
Monte Carlo simulation
  • Assume possible probability distribution on some
    input variables (fish sales, variable cost, price
    in the Frozen Fish example)
  • Normal Uniform Triangle distribution
  • Given each random input from each distribution,
    calculate NPV or IRR Do this many times to
    obtain the whole distribution of NPVs.
  • What is the probability of having negative NPVs?
  • NORMSDIST ( )

8
Normal Distribution(mean, standard deviation)
9
Triangular(min., mean, Max)
10
Uniform(Min and Max)
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