需求與需求量 - 經濟

By Yuri
at 2010-02-18T18:56
at 2010-02-18T18:56
Table of Contents
來源:課本
科目:個經
問題:
其他條件不變,若羊毛的需求變少,對羊肉的價格有何影響?
我的想法:
疑惑的點在於其他條件不變這句
若常理判斷,羊肉與羊毛應為完全互補
(1)羊毛市場,羊毛的需求變少(D to D')需求線左移,
[若羊毛的價格不變,需求量變少]→這句是要對應其他條件不變而寫下的
但接下來就卡住了......
好像跟羊肉的需求量和價格沒有什麼關係耶!
還是不該假設肉、毛為完全互補?
(2)這類型的題目有需要談到供給嗎?
譬如說,要維持羊毛的價格,羊毛供給要變少。
對毛商來說,羊的需求減少,假設賣羊的供給不變,羊隻的均衡價格下降
應該不用這麼麻煩吧?
(3)兩者無關係,雖然有點反直覺。
--
請大大幫我解惑!
--
科目:個經
問題:
其他條件不變,若羊毛的需求變少,對羊肉的價格有何影響?
我的想法:
疑惑的點在於其他條件不變這句
若常理判斷,羊肉與羊毛應為完全互補
(1)羊毛市場,羊毛的需求變少(D to D')需求線左移,
[若羊毛的價格不變,需求量變少]→這句是要對應其他條件不變而寫下的
但接下來就卡住了......
好像跟羊肉的需求量和價格沒有什麼關係耶!
還是不該假設肉、毛為完全互補?
(2)這類型的題目有需要談到供給嗎?
譬如說,要維持羊毛的價格,羊毛供給要變少。
對毛商來說,羊的需求減少,假設賣羊的供給不變,羊隻的均衡價格下降
應該不用這麼麻煩吧?
(3)兩者無關係,雖然有點反直覺。
--
請大大幫我解惑!
--
Tags:
經濟
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