A portfolio manager summarizes the input from the macro and micro forecasters in the following table: Micro Forecasts Asset Stock Al Stock B Stock C Stock D Expected Return (N) Beta Deviation (%) 1.3 1.6 1.1 1.2 21 18 17 10 Residual Standard Asset T-bills Passive equity portfolio 52 62 58 se Macro Forecasts Expected Return (%) 6 15 Standard Deviation (%) 0 25 Calculate the following for a portfolio manager who is not allowed to short sell securities. If allowed to short sell securities, the manager's Sharpe ratio is 0.3924. a. What is the cost of the restriction in terms of Sharpe's measure? (Do not round intermediate calculations. Enter your answer as decimals rounded to 4 places.)

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
Section: Chapter Questions
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A portfolio manager summarizes the input from the macro and micro forecasters in the following table:
Micro Forecasts
Asset
Stock A
Stock B
Stock C
Stock D
Expected
Return (%) Beta Deviation (%)
1.3
1.6
1.1
1.2
21
18
17
10
Residual
Standard
Asset
T-bills
Passive equity portfolio
52
62
58
50
Macro Forecasts
Expected Return (%)
6
15
Standard
Deviation (%)
0
25
Calculate the following for a portfolio manager who is not allowed to short sell securities. If allowed to short sell securities, the
manager's Sharpe ratio is 0.3924.
a. What is the cost of the restriction in terms of Sharpe's measure? (Do not round intermediate calculations. Enter your answer as
decimals rounded to 4 places.)
Transcribed Image Text:A portfolio manager summarizes the input from the macro and micro forecasters in the following table: Micro Forecasts Asset Stock A Stock B Stock C Stock D Expected Return (%) Beta Deviation (%) 1.3 1.6 1.1 1.2 21 18 17 10 Residual Standard Asset T-bills Passive equity portfolio 52 62 58 50 Macro Forecasts Expected Return (%) 6 15 Standard Deviation (%) 0 25 Calculate the following for a portfolio manager who is not allowed to short sell securities. If allowed to short sell securities, the manager's Sharpe ratio is 0.3924. a. What is the cost of the restriction in terms of Sharpe's measure? (Do not round intermediate calculations. Enter your answer as decimals rounded to 4 places.)
b. What is the utility loss to the investor (A = 3.2) given his new complete portfolio? (Do not round intermediate calculations. Round
your answers to 2 decimal places.)
Cases
Unconstrained
Constrained
Passive
Utility Levels,
%
%
%
Transcribed Image Text:b. What is the utility loss to the investor (A = 3.2) given his new complete portfolio? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Cases Unconstrained Constrained Passive Utility Levels, % % %
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