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15、Jensen’s alpha for a portfolio measures the:

A) fund’s return in excess of the required rate of return given the systematic risk of the portfolio. 

B) fund’s return in excess of the required rate of return given the unsystematic risk of the portfolio.

C) difference between a fund’s return and the market return. 

D) difference between the fund’s Sharpe ratio and Treynor measure.

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The correct answer is A

Jensen’s alpha measures the return above the required rate of return based on the fund’s systematic risk. Said differently, Jensen’s alpha is the amount of return earned by the fund over and above the return predicted for the fund based on the capital asset pricing model, given the fund’s systematic risk.

 

 

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16、The mean monthly return on U.S. Treasury bills (T-bills) is 0.42%. The mean monthly return for an index of small stocks is 4.56%, with a standard deviation of 3.56%. What is the Sharpe measure for the index of small stocks?

A) 10.60.

B) 16.56.

C) 3.48.

D) 1.16.

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The correct answer is C

Both the Treynor measure and the Jensen's alpha assume that the CAPM is the underlying risk-adjustment model. The Sharpe measure on the other hand does not make this assumption. It uses total risk of a portfolio, unlike the Treynor measure and Jensen's alpha, which use the systematic (undiversifiable) risk as measured by beta to compute the risk-adjusted return of a portfolio.

 

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14、The following information is available for the Trumark Fund:

The Trumark Fund has an average annual return of 12 percent over the last five years.

Trumark has a beta value of 1.35.

Trumark has a standard deviation of returns of 16.80 percent.

During the same time period, the average annual T-bill rate was 4.5 percent.

During the same time period, the average annual return on the S& 500 portfolio was 18 percent.

What is the Sharpe ratio for the Trumark Fund?

A) 5.56.

B) 0.80.

C) 7.50.

D) 0.45. 

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The correct answer is D

Sharpe Ratio = Sj = (Rj – RF) / σj = (12 - 4.50) / 16.80 = 0.45

What is the Treynor measure for Trumark Fund?

A) 0.45.

B) 0.80.

C) -0.04.

D) 0.06.

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The correct answer is D

Sharpe measure for active portfolio = (0.50 - 0.06)/0.18 = 2.44

Treynor measure for active portfolio = (0.50 - 0.06)/1.1 = 0.40

Alpha for active portfolio = 0.50– [0.06+(0.20 - 0.06) x 1.1)] = 0.29

 

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12、Based on the results from determining the Sharpe measure, Treynor measure, and Jensen's alpha for the actively managed portfolio, does the portfolio manager outperform or underperform the S& 500 index?

A) Sharpe measure → underperform; Treynor measure → outperform; Alpha → outperform

B) Sharpe measure → outperform; Treynor measure → outperform; Alpha → outperform.

C) Sharpe measure → outperform; Treynor measure → underperform; Alpha → underperform.

D) Sharpe measure → underperform; Treynor measure → underperform; Alpha → underperform.

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The correct answer is B

Sharpe measure for S& portfolio = (0.20 - 0.06)/0.15 = 0.93

Treynor Measure for S& portfolio = (0.20 - 0.06)/1.0 = 0.14

Alpha for S& portfolio = 0

Hence, the portfolio manager outperforms based on all the three performance evaluation methods.

 

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13、Which of the following measures used to evaluate the performance of a portfolio manager is/are NOT subject to the assumptions of the capital asset pricing model (CAPM)?

A) Jensen's alpha.

B) Treynor measure.

C) Sharpe measure.

D) Jensen's alpha and the Treynor measure.

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