According to William Shepherd's Examination of Competitive Trends in the U.S.economy

question 132

Multiple Choice

According to William Shepherd's examination of competitive trends in the U.S.economy, a market is effectively competitive if

• A)the top four firms supply more than 60 percent of the market, have stable market shares, and cooperate with each other
• B)the top four firms supply more than 60 percent of the market, have stable market shares, and compete with each other
• C)the industry exhibits low concentration, few barriers to entry, and little or no collusion
• D)the industry exhibits low concentration and little or no collusion, despite significant barriers to entry
• E)the dominant firm has two close rivals

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