If the Four-Firm Concentration Ratio for Industry X Is 60

question 220

Multiple Choice

If the four-firm concentration ratio for industry X is 60,

• A)the four largest firms account for 60 percent of total sales.
• B)each of the four largest firms accounts for 15 percent of total sales.
• C)the four largest firms account for 60 percent of total advertising expenditures.
• D)the industry is monopolistically competitive, but on the threshold of being an oligopoly.