Answer:
4. Asset Allocation :
Mean/ Variance asset allocation optimization:
Mean median value of the expected return of asset and Variance means the deviation of mean from the expected return of the asset
When we optimize the mean/ Variance asset allocation then in this case we make a mix of investment in the assets of the portfolio in such a way that we will get maximum return from the portfolio assets.
Here it also noted that it depends on the expected return of the investor.
Objective function :
Objective function be denoted as optimum return from the portfolio asset mix
For example if there are Four assets in the portfolio with returns as follows:
Stock 1:A : 10% , Stock 2: B : 12% , Fixed deposit: C : 7.5% , Bonds : D : 4%
Here A , B ,C , D are the values to be invested in assets in portfolio
then Objective function be :
Maximize Z = 10% A + 12% B + 7.5% C + 4% D
Constraints :
These are the limitations to the objective function
Examples :
1. Minimum Investment Function
Investment in Stock 1 be 40% of Total Investment
we denoted this as
40% A A+B+C+D
2. Total expected return is not less than 8%
we denoted this as :
10% A + 12% B + 7.5% C + 4% D 8%
3. Non negative Constraint
A 0 , B 0, C 0 , D 0
b) If the expected return on stocks is 10% and bonds is 5%. propose specific feasible portfolio weights ( one set of two reasonable , defensible weights that total to 100% ) of the two asset classes and explain why you proposed them. Be sure to utilize mean variance concepts, the stated expected returns and what you know about stock & bond risk.
Bond Weight: _( Investment in Bond / Total Investment ), Stock Weight : _( Investment in Stock / Total Investment )
We want most highest return from Portfolio investment from their optimal Investment mix :
Let Stock return weight be X , Bond Weight 5% be Y
Weight will be decided on the total investment and individual share of investment in each asset of Portfolio.
It will be calculated as follows :
= Investment in individual Asset / Total Investment
Therefore optimal return will be calculated as follows:
= Sum of ( Weight of asset X return on Asset ) of all asset in portfolio
Reasons :
4. Asset Allocation (20%) Define mean/variance asset allocation optimization Include an objective function and two constraints...
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