3. Suppose we have two markets, A and B, each consisting of seven firms. The market shares of the 5 largest firms (ordered by market share) are shown in the table below. Firm rank Market share (%) Market A Market B 20 22 20 20 3 20 20 20 15 15 15 Select the false statement. The CR3 and CR4 concentration ratios both point to the same market (either A or B) having more market power. The 6th largest firm in market B captures less than 8 percent of the market. The HHI of market B is at most 1,798 (in units of squared percent). (Hint: for positive x and y, (r + y)2 = 2? + y? + 2xy 2 z? + y².) The HHI of market A is definitely larger than the HHI of market B. More than one statement are false. All statements are true.

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3. Suppose we have two markets, A and B, each consisting of seven firms. The market shares of the 5 largest firms
(ordered by market share) are shown in the table below.
Firm rank Market share (%)
Market AMarket B
1
20
22
20
20
20
20
4
20
15
15
15
6
?
Select the false statement.
The CR3 and CR4 concentration ratios both point to the same market (either A or B) having more market
power.
The 6th largest firm in market B captures less than 8 percent of the market.
The HHI of market B is at most 1,798 (in units of squared percent). (Hint: for positivex and y, (x + y)² :
+ y? + 2ay 2 x2 + y².)
The HHI of market A is definitely larger than the HHI of market B.
More than one statement are false.
All statements are true.
Transcribed Image Text:3. Suppose we have two markets, A and B, each consisting of seven firms. The market shares of the 5 largest firms (ordered by market share) are shown in the table below. Firm rank Market share (%) Market AMarket B 1 20 22 20 20 20 20 4 20 15 15 15 6 ? Select the false statement. The CR3 and CR4 concentration ratios both point to the same market (either A or B) having more market power. The 6th largest firm in market B captures less than 8 percent of the market. The HHI of market B is at most 1,798 (in units of squared percent). (Hint: for positivex and y, (x + y)² : + y? + 2ay 2 x2 + y².) The HHI of market A is definitely larger than the HHI of market B. More than one statement are false. All statements are true.
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