Between 1980 and 2000, the Standard Deviation of the Returns

question 2

Multiple Choice

Between 1980 and 2000, the standard deviation of the returns for the NIKKEI and the DJIA indexes were 0.08 and 0.10, respectively, and the covariance of these index returns was 0.0007. What was the correlation coefficient between the two market indicators?

• A) .0906
• B) .0985
• C) .0796
• D) .0875
• E) .0654

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Definitions:

Perfectly Competitive Firm

A company operating in a market where there are many sellers and buyers, the product is homogeneous, and there are no barriers to entry or exit.

Downward Sloping

Describes a line or curve on a graph that shows a decrease in value as it moves from left to right.

Average Total Cost Curve

A graph that shows a firm's per-unit cost (both fixed and variable) at various levels of output.

Upward-sloping

Describes a curve on a graph that moves higher as it goes from left to right, often used to illustrate the relationship between price and supplied quantity in supply curves.