問題詳情
2. A natural monopoly is characterized by
(A) decreasing returns to scale.
(B) patent protection of certain basic processes.
(C) the firm’s having exclusive control over a basic input.
(D) a decreasing long-run average cost curve over the feasible range of output.
(E)all of the above.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增