Use the Table for the Question(s)below

question 54

Multiple Choice

Use the table for the question(s) below.
Consider the following realized annual returns:

-The average annual return over the period 1926-2009 for the S&P 500 is 11.7%,and the standard deviation of returns is 20.5%.Based on these numbers,what is a 67% confidence interval for 2010 returns?

• A)1.5%,,22.0%
• B)-8.8%,32.2%
• C)-29.3%,52.7%
• D)-29.3%,73.2%

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Definitions:

Collusion

An agreement between competing firms to control prices or exclude entry of a new competitor in the market, often in secret, to reduce competition and increase profitability.

Cutthroat Competition

An intense form of competition in a market where competitors aggressively undercut each other's prices or use other aggressive tactics to gain market share.

Concentration Ratios

Measures that indicate the extent to which a small number of firms dominate an industry or market.

Concentration Ratio

A measure used to denote the market share or dominance of the largest firms within an industry, indicating the level of competition.