在完全竞争厂商的长期均衡产量上必然有:( )A.MR=LMC≠SMC,其中MR=AR=P \x05B.MR=LMC=SMC≠LAC,其中MR=AR=P\x05C.MR=LMC=SMC= LAC≠SAC,其中MR=AR=P\x05D.MR=LMC=SMC=LAC=SAC,其中MR=AR=P

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在完全竞争厂商的长期均衡产量上必然有:( )A.MR=LMC≠SMC,其中MR=AR=P \x05B.MR=LMC=SMC≠LAC,其中MR=AR=P\x05C.MR=LMC=SMC= LAC≠SAC,其中MR=AR=P\x05D.MR=LMC=SMC=LAC=SAC,其中MR=AR=P

在完全竞争厂商的长期均衡产量上必然有:( )A.MR=LMC≠SMC,其中MR=AR=P \x05B.MR=LMC=SMC≠LAC,其中MR=AR=P\x05C.MR=LMC=SMC= LAC≠SAC,其中MR=AR=P\x05D.MR=LMC=SMC=LAC=SAC,其中MR=AR=P
在完全竞争厂商的长期均衡产量上必然有:( )
A.MR=LMC≠SMC,其中MR=AR=P
\x05B.MR=LMC=SMC≠LAC,其中MR=AR=P
\x05C.MR=LMC=SMC= LAC≠SAC,其中MR=AR=P
\x05D.MR=LMC=SMC=LAC=SAC,其中MR=AR=P

在完全竞争厂商的长期均衡产量上必然有:( )A.MR=LMC≠SMC,其中MR=AR=P \x05B.MR=LMC=SMC≠LAC,其中MR=AR=P\x05C.MR=LMC=SMC= LAC≠SAC,其中MR=AR=P\x05D.MR=LMC=SMC=LAC=SAC,其中MR=AR=P
选D.
你把所有图画在一起,短期/长期平均/边际成本这四条曲线都交于或切于LAC的最低点,这时,生产的平均成本降到长期平均成本的最低点,商品价格也等于最低的长期平均成本.就得到了D选项.此时单个厂商的利润为零.