You have just been appointed as a fund manager for Gate Way Fund, of which you will be responsible of a portfolio that consists of two assets.  The analysts have provided you with the expected returns and standard deviations of returns of which are listed in the table below:   Asset A Asset B Expected Return 7%  11% Standard Deviation 15% 21%   Calculate the standard deviation of the portfolio if the assets are equally weighted.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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You have just been appointed as a fund manager for Gate Way Fund, of which you will be responsible of a portfolio that consists of two assets.  The analysts have provided you with the expected returns and standard deviations of returns of which are listed in the table below:

 

Asset A

Asset B

Expected Return

7% 

11%

Standard Deviation

15%

21%

 

  1. Calculate the standard deviation of the portfolio if the assets are equally weighted.
  2. The two asset portfolio model can be extended two a portfolio with more assets. Explain the implications of this approach for the understanding of portfolio risk and discuss the practical problems of applying the model in this fashion.                                              
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