Market failure may be caused by the following factors except______.

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问题 Market failure may be caused by the following factors except______.

选项 A、imperfect information
B、externalities
C、monopoly
D、perfect market competition

答案D

解析 答案为D项。market failure“市场失灵”,是指市场机制不能按人们的意愿而有效地配置资源。导致市场失灵的原因包括垄断(monopoly)、外在性(externality)、公共物品(public goods)、不完全信息(imperfect information)以及市场机制本身的不完善等。本题中选项D项之意“完全市场竞争”不是引起市场失灵的原因,故选D项。
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