Daniel Grady is the financial advisor for a number of professional athletes. An analysis of the long
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Question:
Daniel Grady is the financial advisor for a number of professional athletes. An analysis of the longterm goals for many of these athletes has resulted in a recommendation to purchase stocks with some of the income that they have set aside for investments. Five stocks have been identified as having very favorable expectations for future performance. Although the expected return is important in these investments, the risk, as measured by the beta of the stock, is also
important. A high value of beta indicates that the stock has a relatively high risk. The expected return and the beta for five stocks are as follows:
STOCK
Expected return
Beta
Daniel would like to minimize the beta of the stock portfolio calculated using a weighted average of the amounts put into the different stocks while maintaining an expected return of at least Since future conditions may change, Daniel has decided that no more than of the portfolio should be invested in any one stock. The attached and files shows the solution for the problem in XLI Math Prog.
a Formulate this as a linear program. Hint: Define each variable as the proportion of the total investment that would be put in that stock. Include a constraint that restricts the sum of these variables to be
b Use the above model and solve the problem. How much should be invested in each stock? What is the risk?
c Daniel wants to add more stock options to the problem in addition to the existing options The expected return and the Beta values are given below. Modify the above modeldata or your own LP Solve model and solve the problem again. How much should be invested in each stock? What is the risk? Requirements do not change
STOCK
Expected return
Beta PLEASE SHOW WORK AND USE EXCEL
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