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Re: [問題] 經濟需求問題
Sep 23rd 2014, 14:32, by mmiiggaa

作者mmiiggaa (miga)

看板Examination

標題Re: [問題] 經濟需求問題

時間Tue Sep 23 14:32:51 2014

※ 引述《oay ()》之銘言: : 請教 : 假設芭樂為正常財,若消費者對於芭樂的需求曲線由Dd=36-9P移動至Qd=18-6P,則可能為下列哪一項原因? 畫圖出來~需求線左移 : a.經濟不景氣,國民所得減少 所得減少-->需求減少-->需求線左移 : b.蘋果的價格上漲 假使芭樂跟蘋果是替代品 ,蘋果價格上升,芭樂需求會上升-->需求線右移 : c.芭樂價格爆跌 因為是正常財,價格下降 ,需求增加-->需求線右移 : d.開放芭樂進口 這應該是供給增加..和需求無關! : 答案是a. : 想問的是,本身價格變動,其他條件也變,而且都是變少了,那要怎麼判斷啊,大部份的題目都是只有其中一個變動啊?還是題目有錯??bcd都會讓需求增加,而a會讓需求減少,但是要怎麼解釋呢? 以上的解釋,可以理解嗎? 因為我有點愛睏~~看不太懂您的問題點,如果有不足的地方 歡迎其他大大指教... ※ 編輯: mmiiggaa (202.169.165.41), 09/23/2014 14:34:31

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