Question

In: Finance

Consider the following information on two risky asset: Investment A and Investment B. State of the...

Consider the following information on two risky asset: Investment A and Investment B. State of the Economy Probability of State of Economy Return on Investment A (%) Return on Investment B (%) Recession 0.4 16% 12% Normal 0.3 18% 14% Boom 0.3 5% 28% a. What is the expected return for Investment A? b. What is the expected return for Investment B? c. What is the standard deviation for Investment A? d. What is the standard deviation for Investment B? e. What is the expected return on a portfolio that is 40% invested in Investment A and the remainder in Investment B? f. What is the standard deviation of the portfolio in part (e) if the covariance between Investment A and Investment B is -0.0016?

Solutions

Expert Solution

Investment A :

State of Economy Probability (P) Return on Investment A (x) Px x - mean of x (x - mean of x)^2 P*(x - mean of x)^2
Recession 0.4000 16.0000 6.4000 2.7000 7.29 2.916
Normal 0.3000 18.0000 5.4000 4.7000 22.09 6.627
Boom 0.3000 5.0000 1.5000 -8.3000 68.89 20.667
Expected Return 13.3000 Variance 30.21

a. Expected return for Investment A = 13.3%

c. Standard deviation for Investment A = 30.21^0.5 = 5.5%

State of Economy Probability (P) Return on Investment A (x) Px x - mean of x (x - mean of x)^2 P*(x - mean of x)^2
Recession 0.4000 12.0000 4.8000 -1.3000 1.69 0.676
Normal 0.3000 14.0000 4.2000 0.7000 0.49 0.147
Boom 0.3000 28.0000 8.4000 14.7000 216.09 64.827
Expected Return 17.4000 Variance 65.65

b. Expected return for Investmnet B = 17.4%

d,. Standard deviation for Investment B = 65.65^0.5 = 8.10%

e.

Expecetd return on the portfolio = weighted average of the returns where the weights are the proportion of the amount invested in portfolio

= 0.4*13.3 + 0.6 * 17.4 = 15.76%

f. Standard deviation of portfolio = ( w1^2var1 + w2^2var2 + 2*w1*w2* Cov )^0.5

w1 = weight of Investment A = 0.4

w2= weight of investment B = 0.6

var1 = variance of Investment A = 30.21

var2 = variance of Investment B = 65.65

cov = covariance between Investment A & Investment B = -0.0016

Standard deviation of portfolio = ( 0.4^2* 30.21 + 0.6^2*65.65 + 2 *0.4*0.6* -0016 ) ^0.5

= 28.47^0.5

= 5.34%


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