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MBA,MCS,M.phil
Devry University
Jan-2008 - Jan-2011
MBA,MCS,M.Phil
Devry University
Feb-2000 - Jan-2004
Regional Manager
Abercrombie & Fitch.
Mar-2005 - Nov-2010
Regional Manager
Abercrombie & Fitch.
Jan-2005 - Jan-2008
1. A broker has advised you not to invest in oil industry stocks because, in her opinion, they are far too risky. She has shown you evidence of how wildly the prices of oil stocks have fluctuated in the recent past. She demonstrated that the standard deviation of oil stocks is very high relative to most stocks. Do you think the broker’s advice is sound for a riskaverse investor like you? Why or why not?
2. There are three securities in the market. The following chart shows their possible payoffs.
|
State |
Probability |
Return on |
Return on |
Return on |
|
1 |
0.10 |
0.25 |
0.25 |
0.10 |
|
2 |
0.40 |
0.20 |
0.15 |
0.15 |
|
3 |
0.40 |
0.15 |
0.20 |
0.20 |
|
4 |
0.10 |
0.10 |
0.10 |
0.25 |
a. What are the expected return and standard deviation of each security?
b. What are the covariances and correlations between the pairs of securities?
c. What are the expected return and standard deviation of a portfolio with half of its funds invested in security 1 and half in security 2?
d. What are the expected return and standard deviation of a portfolio with half of its funds invested in security 1 and half in security 3?
e. What are the expected return and standard deviation of a portfolio with half of its funds invested in security 2 and half in security 3?
f. What do your answers in parts (a), (c), (d), and (e) imply about diversification?
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