A.MR=SMC B.MR=LMC C.AR=LAC D.MR=AC
A.完全競(jìng)爭(zhēng) B.外部影響 C.對(duì)稱信息 D.市場(chǎng)機(jī)制
A.完全競(jìng)爭(zhēng)廠商 B.完全壟斷廠商 C.壟斷競(jìng)爭(zhēng)廠商 D.寡頭壟斷廠商