Assume That Stock Market Returns Do Not Resemble a Single-Index

question 83

Multiple Choice

Assume that stock market returns do not resemble a single-index structure.An investment fund analyzes 125 stocks in order to construct a mean-variance efficient portfolio constrained by 125 investments.They will need to calculate ____________ covariances.

• A)90
• B)125
• C)7,750
• D)15,625
• E)none of the above

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Definitions:

Common Difference

The steady gap found between successive numbers in an arithmetic progression.

Common Ratio

In a geometric sequence, the consistent factor by which each term is multiplied to produce the next term.

Geometric Sequence

A geometric sequence is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

Common Ratio

In a geometric sequence, the constant factor by which each term is multiplied to get the next term.