【多选题】【消耗次数：1】
在完全竞争市场上厂商短期均衡的条件是( )
①
P=AC
②
MC=MR
③
P=MC
④
P=AVC
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【简答题】
简述利润最大化原则MC=MR在完全竞争条件下可表达为MC=P
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垄断竞争市场上厂商的短期均衡发生于
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边际成本等于实际需求曲线产生的边际收益时;
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平均成本下降时;
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主观需求曲线与实际需求曲线相交，并且边际成本等于主观需求曲线中产生的边际收益时;
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主观需求曲线与平均成本曲线相切时。
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