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【简答题】
某小区由两个消费者A与B构成,他们对小区保安服务的需求曲线分别是: , 。假定小区保安服务的供给成本为 ,要求: A. 若小区保安服务作为公共物品提供,请计算总需求函数、均衡数量与价格。 B. 若小区保安服务作为私人物品在竞争性市场中提供,请计算总需求函数、均衡数量与价格。
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