Question

In: Finance

Consider the following information for Hope Co.: State            Probability X          Y Boom       &

Consider the following information for Hope Co.:

State            Probability X         

Y

Boom          .35              15%  

10%

Normal        .50              10%  

8%

Recession .15                5%      

10%

  1. Compute using 2 different ways the expected return for a portfolio with an investment of $8,000 in asset X and $2,000 in asset Y.

  1. Based on your previous answer, what is the standard deviation for the same portfolio.

  1. If the expected inflation rate is 4.5% and the nominal expected return of the previous portfolio is the one computed in question Q1), what are the exact and approximate expected real returns?

Solutions

Expert Solution

Please note the solution :

1) Calculation

Particulars Probablity Returns X Returns Y (X- Mean X) (Y - Mean Y) (X- Mean X)2 (Y - Mean Y)2 P * (X- Mean X)2 P * (Y - Mean Y)2 P(X- Mean X)(Y - Mean Y)
Boom 0.35 15 10 4 1 16 1 5.6 0.35 1.4
Norma 0.50 10 8 -1 -1 1 1 0.50 0.50 0.5
Recession 0.15 5 10 -6 1 36 1 5.4 0.15 -0.9
11.50 1 1

Mean X = P * X

             = 0.35 * 15 + 0.50 * 10 + 0.15 * 5

             = 11 %

Mean Y = P * Y

             = 0.35 * 10 + 0.50 * 8 + 0.15 * 10

             = 9 %

Standard Deviation X = [P * (X- Mean X)2 ]1/2

                                   = [11.50] 1/2

                                   = 3.39%

Standard Deviation Y = [P * (Y- Mean Y)2 ]1/2

                                   = [1] 1/2

                                   = 1%

Covariance (X. Y) = P(X- Mean X)(Y - Mean Y)

                              = 11.50 %2

Correlation = Covariance (X. Y) / (Standard Deviation X ) * (Standard Deviation Y)

                   = 1 / (3.39 * 1 )

                   = 0.295

2) Answers

> Expected return of portfolio = 11% * 8000/10000 + 9% * 2000/10000

                                            = 10.60 % Answer

> Standard deviation of portfolio =

Thus , SD = [ (0.8)2 * (3.39)2 + (0.20)2 * (1)2 + (2 * 0.80 * 0.20 * 3.39 * 1 * 0.295)]1/2

                 = 2.78 % Answer

> Exact Real rate of return = (1+Nominal rate ) / (1+inflation rate )

                               = (1.1060) / (1.045) - 1

                               = 5.84 % Answer

> Approximate real rate = Nominal rate - inflation rate

                                    = 10.60 - 4.50

                                    = 6.10 % Answer


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