※ 引述《betray911015 (回头太难)》之铭言： : 1. A multimarket price discriminator sells its product in : Florida for three times the price it sets in New York. : Assuming the firm faces the same constant marginal cost : in each market and the price elasticity of demand in : New York is -2.0, the demand in Florida : a. has an elasticity of -6.0 : b. is more price elastic than the demand in New York : c. has an elasticity of -0.2 : d. has an elasticity of -0.67 : 我的想法:因为是独占市场，不是弹性在大於一都成立吗?? 你到底知不知道题目再考你什麽? : 2. Can a firm be a natural monopoly if it has a U-shaped : average cost curve? Why or why not? : 我的想法: 我觉得是不能，因为自然独占厂商的平均成本不是呈 : 递减吗?但答案说可以，为什麽?? 平均成本递减是自然独占的充分条件，但非必要条件 就算AC curve 呈现U型 只要市场需求量不超过U型的最低点 则该厂商仍然是自然独占 同学 书要念通 --

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