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-The Table Above Lists the Market Shares of the Twenty

Question 82

Multiple Choice

-The table above lists the market shares of the twenty makers of personal computers. The four-firm concentration ratio tells us that A) the four largest firms have 20 percent of the market. B) there are no barriers to entry in this market. C) the firms sell differentiated products. D) all firms sell identical products.
-The table above lists the market shares of the twenty makers of personal computers. The four-firm concentration ratio tells us that


A) the four largest firms have 20 percent of the market.
B) there are no barriers to entry in this market.
C) the firms sell differentiated products.
D) all firms sell identical products.

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