Assume that stock market returns do not resemble a single-index structure. An investment fund analyzes 40 stocks in order to construct a mean-variance efficient portfolio constrained by 40 investments. They will need to calculate _____________ expected returns and ___________ variances of returns.

A. 100; 100
B. 40; 40
C. 4950; 100
D. 4950; 4950
E. None of the options are correct.


B. 40; 40

The expected returns of each of the 40 securities must be calculated. In addition, the 40 variances around these returns must be calculated.

Business

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A counterbalancing inventory error is one where the error on the balance sheet is offset by the same amount of error on the income statement

a. True b. False Indicate whether the statement is true or false

Business

Ron's Furnace Repair advertised it would inspect any homeowner's furnace for free. Janet had Ron's come to inspect her furnace. The servicewoman dismantled the entire furnace then refused to put it back together unless Janet paid her $250. The FTC considers such a practice to be

A. an unfair practice. B. a deceptive practice. C. an act that violates public policy. D. All of these are correct.

Business

______ is a calculation of how many people make it through the recruiting step to the next step in the hiring process.

A. Labor market B. Yield ratio C. Recruiting D. Listening

Business

Jack and Jill (Scenario)Jack Jones and Jill Smith are both managers at a medium-sized medical supply firm. Jack emphasizes to his people that the work must be done, regardless of circumstances, and encourages his employees to meet their sales quotas. He is generally liked, but because sales are unstructured, sometimes his employees resent his rather heavy-handed approach. Jill has tried hard to build a good rapport with her employees and knows each of their families. She encourages her employees to work hard, but to be certain to take time out for themselves and their families.Which of the following would be assumed by Fiedler's contingency model about the leadership styles of Jack and Jill?

A. Their leadership styles can be adjusted to fit the situation. B. Their leadership styles are fixed, regardless of the situation. C. Jill's leadership styles can be classified as selling. D. Jack's style is well suited for unstructured tasks.

Business