Assume the investor places portfolio weight on asset X, and on asset Y. Assuming that the return to the two assets are perfectly positively correlated, calculate the expected return and the standard deviation to the portfolio. (hint, what is your absolute answer if weightages in X and Y are 0.5 each?)

 

(b) How would. your answers change if the correlation coefficient were 0. Label this point Z. Hence Z is a portfolio with weightage in X = 0.5 and weightage in Y = 0.5 correlation coefficient = 0.

 

(c) Graphically depict the mean-standard deviation frontier implied in parts (a) and (b) on the same graph. Also label points X, Y, and Z.

 

(d) Asset A has an expected return of 15 percent and a standard deviation of 8 percent. Asset B has an expected return of 10 percent and a standard deviation of 5 percent. The correlation coefficient of the returns on A and B is 1. Calculate the expected return and the standard deviation to the portfolio. (Hint, what is your absolute answer if weightages in X and Y are 0.5 each?)

 

(e) How would your answer change if the correlation coefficient were 0. Label this point C. Hence C is a portfolio with weightage in A = 0.5 and weightage in B = 0.5 and correlation coefficient = 0

 

(f) Graphically depict the mean-standard deviation frontier implied in part (d) and (e) on the same diagram as that in (c). Also label point A, B, and C.

 

(g) Mr Wealthy decided to invest equally in portfolio C and portfolio Z (without increasing his capital for investment). Assuming that the returns to the two assets C and Z are perfectly positively correlated, calculate the expected return and the standard deviation to the new portfolio. (Hint, what is your absolute answer if weightages in Z and C are 0.5 each? 

 

(h) How would your answer change if the correlation coefficient were 0? Label this portfolio as M. Hence C is a portfolio with weightage in C = 0.5 and weightage in Z = 0.5 correlation coefficient = 0.

 

(i) Graphically depict the mean-standard deviation frontier implied in parts (g) and (h) on the same graph as that in (c) and (f). 

 

(j) Calculate the Risk & Return of the new portfolio whereby the funds are invested equally in A, B, X, and Y. (Now the investor has 1/4 weightage each in asset, A, B, X, and Y.) Depict the POINT of this NEW PORTFOLIO as P on the same diagram as above. Is P the same as M?

 

(k) Assume the market in the country of Eutania comprises only these 4 assets and the market capitalization for them are $25b each. Also, assume the risk-free rate is 3%. Plot the Capital Market Line (CML) on the same graph and label it CML.

 

(l) Plot the Security Market Line (SML) on a new graph (Hint: Since the x-axis is different). Label the 2 axes clearly.

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