問題詳情
5. A production possibilities frontier (PPF) is characterized by increasing opportunity costs when
(A) the PPF is a straight line.
(B) the PPF is bowed inward.
(C)the PPF is bowed outward.
(D) increasing opportunity costs do not occur with PPF's.
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