单选题 Which of the following is least likely to be considered a reason why regulation of monopolies is not effective?
  • A. Regulators do not know the firm's cost structure.
  • B. Regulation shifts industry demand and increases prices.
  • C. Regulation reduces the incentive for firms to reduce costs.
【正确答案】 B
【答案解析】Regulation is not associated with a shift in industry demand.