問題詳情
「柏瑞圖改善」（Pareto improvement）是指某項政策實施後，會達到下述何種情況？
(A)所有人處境均不變
(B)所有人處境均變差
(C)沒有人處境變好，至少一人變差
(D)沒有人處境變差，至少一人變好
(A)所有人處境均不變
(B)所有人處境均變差
(C)沒有人處境變好，至少一人變差
(D)沒有人處境變差，至少一人變好
參考答案
答案：D
難度：非常簡單0.963869
統計：A(6),B(2),C(12),D(827),E(0)
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