問題詳情
47.完全競爭廠商長期只能賺取正常利潤，主要是因為
(A)產品同質
(B)廠商家數太多
(C)取得資訊容易
(D)進出市場自由
(A)產品同質
(B)廠商家數太多
(C)取得資訊容易
(D)進出市場自由
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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