Two assets are the constituents of a market capitalization-weighted index. They offer the following returns in various states of the world: State 1 2 3 4 Probability 0.3 0.4 0.1 0.2 i. Asset 1 5% 2% 4% 3% Asset 2 6% 1% 4% 4% a) If Asset 1 has a market capitalization of $400 million and Asset 2 has a market capitalization of $600 million, calculate the expected return of the index ii. the standard deviation of the return of the index b) You now decide to construct a portfolio consisting of a weight of 0.7 in the index from part a) plus 0.3 in gold. Gold has an expected return of 1% and a standard deviation of return of 2%. The correlation between the returns of the index and the returns of gold is -0.2. Use matrix multiplication to find the expected return and standard deviation of your portfolio returns.

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
Section: Chapter Questions
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Two assets are the constituents of a market capitalization-weighted index. They
offer the following returns in various states of the world:
State
1
2
3
4
Probability
0.3
0.4
0.1
0.2
i.
Asset 1
5%
2%
4%
3%
Asset 2
6%
1%
4%
4%
a) If Asset 1 has a market capitalization of $400 million and Asset 2 has a
market capitalization of $600 million, calculate
the expected return of the index
ii. the standard deviation of the return of the index
b) You now decide to construct a portfolio consisting of a weight of 0.7 in the
index from part a) plus 0.3 in gold. Gold has an expected return of 1% and
a standard deviation of return of 2%. The correlation between the returns
of the index and the returns of gold is -0.2. Use matrix multiplication to find
the expected return and standard deviation of your portfolio returns.
c) Comment on the role that gold is playing in the portfolio in part b).
Transcribed Image Text:Two assets are the constituents of a market capitalization-weighted index. They offer the following returns in various states of the world: State 1 2 3 4 Probability 0.3 0.4 0.1 0.2 i. Asset 1 5% 2% 4% 3% Asset 2 6% 1% 4% 4% a) If Asset 1 has a market capitalization of $400 million and Asset 2 has a market capitalization of $600 million, calculate the expected return of the index ii. the standard deviation of the return of the index b) You now decide to construct a portfolio consisting of a weight of 0.7 in the index from part a) plus 0.3 in gold. Gold has an expected return of 1% and a standard deviation of return of 2%. The correlation between the returns of the index and the returns of gold is -0.2. Use matrix multiplication to find the expected return and standard deviation of your portfolio returns. c) Comment on the role that gold is playing in the portfolio in part b).
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