Question

In: Finance

The economy has a 10 percent chance of booming, 60 percent chance of being normal, and...

The economy has a 10 percent chance of booming, 60 percent chance of being normal, and 30 percent chance of going into a recession. A stock is expected to return 16 percent in a boom, 11 percent in a normal, and lose 8 percent in a recession. The return on real estate is 10% in a normal and a boom, and -10% in a recession. What is the correlation between the return of the stock and the return of real estate?

0.758

0.941

0.980

0.987

Solutions

Expert Solution

0.987

Step-1:Calculation of expected return, variance and standard deviation of Stock's return
Prob. Return Expected return-Stock Variance
a b c=a*b d=((b-5.800%)^2)*a
Booming 10% 16% 1.600% 0.104%
Normal 60% 11% 6.600% 0.162%
Recession 30% -8% -2.400% 0.571%
Total 5.800% 0.838%
Standard deviation of return = Variance ^ (1/2)
= 0.838% ^ (1/2)
= 9.152%
Step-2:Calculation of expected return, variance and standard deviation of real estate's return
Prob. Return Expected return-Real Estate Variance
a b c=a*b d=((b-4.000%)^2)*a
Booming 10% 10% 1.00% 0.00036
Normal 60% 10% 6.00% 0.00216
Recession 30% -10% -3.00% 0.00588
4.000% 0.840%
Standard deviation of return = Variance ^ (1/2)
= 0.840% ^ (1/2)
= 9.165%
Step-3:Calculation of covariance of return between stock and real estate
Prob. Stock's return Real estate's return Covariance of return between stock and real estate
a b d f=((b-5.800%)*(d-4.000%))*a
Booming 10% 16% 10% 0.061%
Normal 60% 11% 10% 0.187%
Recession 30% -8% -10% 0.580%
Total 0.828%
Step-4:Calculation of correlation between the return of the stock and the return of real estate
Correlation = Covariance between return/(Standard deviation of stock*Standard deviation of real estate)
= 0.8280% / (9.152%*9.165%)
= 0.8280% / 0.8388%
= 0.987

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