Question

In: Finance

  States Probability Asset M Return Asset N Return Asset O Return   Boom 27​% 10% 21​% 2​%   ...

  States

Probability

Asset M Return

Asset N Return

Asset O Return

  Boom

27​%

10%

21​%

2​%

  Normal

50​%

8%

12​%

8%

  Recession

23​%

2%

1​%

10​%

a. What is the expected return of investing equally in all three assets M, N, O?

b. What is the expected return of investing in asset M alone?

c. What is the standard deviation of the portfolio that invests equally in all three assets?

d. What is he standard deviation of asset M?

Solutions

Expert Solution

a.

Stock M
Scenario Probability Return =rate of return * probability Actual return -expected return(A) (A)^2* probability
Recession 0.23 0.02 0.0046 -0.0516 0.000612389
Normal 0.5 0.08 0.04 0.0084 0.00003528
Boom 0.27 0.1 0.027 0.0284 0.000217771
Expected return = sum of weighted return = 0.0716 Sum= 0.00086544
Standard deviation of stock A =(sum)^(1/2) 0.029418362
Stock N
Scenario Probability Return =rate of return * probability Actual return -expected return(B) (B)^2* probability
Recession 0.23 0.01 0.0023 -0.109 0.00273263
Normal 0.5 0.12 0.06 0.001 5E-07
Boom 0.27 0.21 0.0567 0.091 0.00223587
Expected return = sum of weighted return = 0.119 Sum= 0.004969
Standard deviation of stock B =(sum)^(1/2) 0.070491134
Stock O
Scenario Probability Return =rate of return * probability Actual return -expected return(C) (C)^2* probability
Recession 0.23 0.1 0.023 -0.019 8.303E-05
Normal 0.5 0.18 0.09 0.061 0.0018605
Boom 0.27 0.02 0.0054 -0.099 0.00264627
Expected return = sum of weighted return = 0.1184 Sum= 0.0045898
Standard deviation of stock C =(sum)^(1/2) 0.067748063
Expected return= Wt A*Return A+Wt B*Return B+Wt C*Return C
Expected return= 0.333333333333333*7.16+0.333333333333333*11.9+0.333333333333333*11.84
Expected return= 10.3

b.

Stock M
Scenario Probability Return =rate of return * probability
Recession 0.23 0.02 0.0046
Normal 0.5 0.08 0.04
Boom 0.27 0.1 0.027
Expected return = sum of weighted return = 0.0716

=7.16%

c.

Variance= =w2A*σ2(RA) + w2B*σ2(RB) + w2C*σ2(RC)+ 2*(wA)*(wB)*Cor(RA, RB)*σ(RA)*σ(RB) + 2*(wA)*(wC)*Cor(RA, RC)*σ(RA)*σ(RC) + 2*(wC)*(wB)*Cor(RC, RB)*σ(RC)*σ(RB)
Variance= 0.001112151
Standard deviation= (variance)^0.5
Standard deviation%= 3.33

d.

Stock M
Scenario Probability Return =rate of return * probability Actual return -expected return(A) (A)^2* probability
Recession 0.23 0.02 0.0046 -0.0516 0.000612389
Normal 0.5 0.08 0.04 0.0084 0.00003528
Boom 0.27 0.1 0.027 0.0284 0.000217771
Expected return = sum of weighted return = 0.0716 Sum= 0.00086544
Standard deviation of stock M =(sum)^(1/2) 0.029418362

=2.94%


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