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Category > Business & Finance Posted 13 Jul 2017 My Price 12.00

Assume that security returns are generated by the single-index model,

Assume that security returns are generated by the single-index model,

Ri = αi +βi RM+ ei where Ri is the excess return for security i and RM is the market’s excess return. The risk-free rate is 2%. Suppose also that there are three securities A, B, and C, characterized by the following data:

Security

Bi

E(Ri)

(ei)

A

0.8

10%

25%

B

1.0

12%

10%

C

1.2

14%

20%

a. If _M _ 20%, calculate the variance of returns of Securities A, B, and C.

b. Now assume that there are an infinite number of assets with return characteristics identical to those of A, B, and C, respectively. If one forms a well-diversified portfolio of type A securities, what will be the mean and variance of the portfolio’s excess returns? What about portfolios composed only of type B or C stocks?

c. Is there an arbitrage opportunity in this market? What is it? Analyze the opportunity graphically

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Status NEW Posted 13 Jul 2017 04:07 PM My Price 12.00

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