You are an investor with an investment horizon of one year and a certain degree of risk aversion. Your task is to determine the efficient frontier in the case of two risky securities and one risk-free (T-bill) security and select the optimal portfolio depending on your risk-aversion parameter. You need to do your work on a spreadsheet (use one that you are comfortable with).
The following steps will help you accomplish this task:
1- Choose
Choose the one-year risk-free rate to be 5%. (a) E(RB) = 9%, SD(B) = 14%, E(RS) = 14%, SD(S) = 20%
2- Choose a correlation coefficient between B and S.
Choose one of the following: (b) Corr(B,S) = 0.30
3- Make simulations on standard deviation SD(P) and expected rate of return E(RP) of a "complete" portfolio (formed with B and S) by varying the weights allocated on B and S.
4- Construct and graph the opportunity set (feasible set) for B and S from your simulations.
5- Compute the weights of the tangent portfolio (T).
6- Compute the SD(T) and E(RT) of the tangent portfolio (T).
7- Add the T-bill to your portfolio and redo step 3.
8- Repeat step 4 with the T-bill rate.
(A) Simulation of the portfolio with diff weights assign to the bond and stock with excel workbook
SD of Portfolio= W1212+W2222+2*W1*W2*121*2
Where 1 and 2 is stock and bond and is Std. Deviation and is coefficient of correlation and W is Weight
Now for the Portfolio Return = W1*R1+W2*R2
Now here i snip the clip of excel work book which show you the simulation with different weights of portfolio return and portfolio Std. Deviation.
(B) Construction of graph the opportunity set for B and S from Simulation.
(C) In opinion Portfolio weight of 0.7 of B and 0.3 of S is best opportunity set because it has least Risk(SD) and Better Return so, this called as Tangent and SD of Tangent Portfolio is 12.94 and ER of same is 10.5%.
(D) To compute the Portfolio Return and SD with combing T-Bill with 5% rate in this case you return will increase with diff sets of weight combination and important point is that no risk (SD) will further rise because T-Bill is risk free instrument so, we construct the graph and the chart also.
You are an investor with an investment horizon of one year and a certain degree of...
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