又是一題機會成本(這次有考選部的答案) - 經濟

By Genevieve
at 2009-04-23T00:49
at 2009-04-23T00:49
Table of Contents
※ 引述《mathematics3 (馬克勞林)》之銘言:
: ※ 引述《showby156 (小敗)》之銘言:
: : 題目來源 97年地方特考三等
: : 題目:興建一條道路,不論今年蓋或者明年蓋都要花1億元,
: : 但是若明年蓋則損失發展地方1.2億的商機,
: : 請問選擇明年蓋的機會成本是多少?
: : 答案:2.2億
: : 依前面的討論結果,不管如何都要花1億,因此1億為固定成本,
: : 所以機會成本應該是1.2億才對~
: 不,1億並非固定成本
: 你可以都不蓋(不去執行決策)
: 這樣1億就能省下
: 所以少賺1.2億,多付1億
: 還是2.2億
爬完一連串機會成本的文章 頭都快昏了
我怎麼不記得七八年前學這個的時候有這麼複雜XD
BTW 我跑去查了一下wiki對於機會成本的說明(手邊沒教科書)
wiki裡的一個例子是這麼說的:
A person who invests $10,000 in a stock denies herself or himself the
interest that could have accrued by leaving the $10,000 in a bank account
instead. The opportunity cost of the decision to invest in stock is the value
of the interest.
此例子中, 拿一萬元去買股票的機會成本, 是一萬元存在銀行的利息
儘管一萬元確實是買股票的成本
我們也可以說 不買股票就省下一萬元
但是wiki並沒有把一萬元納入機會成本中
若以此例類推原po的題目 那機會成本應該只有1.2億
蓋道路花的1億元不應該算是機會成本
就好像買股票花的一萬元不是買股票的機會成本
我不知道wiki講的是不是一定正確啦
但是我比較喜歡wiki的這種講法
感覺更符合機會成本的直觀
僅供大家參考
--
: ※ 引述《showby156 (小敗)》之銘言:
: : 題目來源 97年地方特考三等
: : 題目:興建一條道路,不論今年蓋或者明年蓋都要花1億元,
: : 但是若明年蓋則損失發展地方1.2億的商機,
: : 請問選擇明年蓋的機會成本是多少?
: : 答案:2.2億
: : 依前面的討論結果,不管如何都要花1億,因此1億為固定成本,
: : 所以機會成本應該是1.2億才對~
: 不,1億並非固定成本
: 你可以都不蓋(不去執行決策)
: 這樣1億就能省下
: 所以少賺1.2億,多付1億
: 還是2.2億
爬完一連串機會成本的文章 頭都快昏了
我怎麼不記得七八年前學這個的時候有這麼複雜XD
BTW 我跑去查了一下wiki對於機會成本的說明(手邊沒教科書)
wiki裡的一個例子是這麼說的:
A person who invests $10,000 in a stock denies herself or himself the
interest that could have accrued by leaving the $10,000 in a bank account
instead. The opportunity cost of the decision to invest in stock is the value
of the interest.
此例子中, 拿一萬元去買股票的機會成本, 是一萬元存在銀行的利息
儘管一萬元確實是買股票的成本
我們也可以說 不買股票就省下一萬元
但是wiki並沒有把一萬元納入機會成本中
若以此例類推原po的題目 那機會成本應該只有1.2億
蓋道路花的1億元不應該算是機會成本
就好像買股票花的一萬元不是買股票的機會成本
我不知道wiki講的是不是一定正確啦
但是我比較喜歡wiki的這種講法
感覺更符合機會成本的直觀
僅供大家參考
--
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