EPISODE · Dec 27, 2025 · 6 MIN
鑽石比水值錢？一個問題搞懂邊際效用、價格與人類決策的真相
from 觀測點·聲解經濟 · host Chloe & Ethan
為什麼維持生命的水幾乎不用錢，而幾乎沒有實際用途的鑽石卻價值驚人？ 這正是經濟學經典問題「鑽石與水悖論」的核心。 本集從邊際效用出發，拆解邊際效用遞減、需求與供給、價格彈性與替代品，說明市場價格如何由「下一單位的價值」決定，而非總價值本身。透過生活化案例，看懂你每天的消費、時間分配與選擇，其實都在進行一場邊際計算。
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鑽石比水值錢？一個問題搞懂邊際效用、價格與人類決策的真相
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