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Economics (AS & A Level) · Oct / Nov 2024 · Paper 33 · Question 10

9708Different market structures

What is meant by a four-firm concentration ratio of 25%?

  1. AThe largest four firms’ market share totals 25%.
  2. BThe largest four firms have a market share of 25% each.
  3. CThere are only four firms in the industry.
  4. DThe largest firm has a 25% market share.

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Correct answer: A. The largest four firms’ market share totals 25%.

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