If the Four-Firm Concentration Ratio for Industry X Is 80,this

question 50

Multiple Choice

If the four-firm concentration ratio for industry X is 80,this means that:

• A)the four largest firms account for 80 percent of total sales
• B)each of the four largest firms accounts for 20 percent of total sales
• C)the four largest firms account for 20 percent of total sales
• D)the industry is monopolistically competitive
• E)the industry is perfectly competitive

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