103年公民(經濟)考題 - 經濟
By Oliver
at 2014-10-29T11:08
at 2014-10-29T11:08
Table of Contents
來源: 1 0 3 年特種考試交通事業鐵路人員考試試題佐級鐵路人員考試
科目:公民
問題:
某研究調查發現:幸福國的牛肉價格普遍偏高,在爆發美牛瘦肉精問題後,該國消費者
對牛肉的偏好降低,在政府宣布開放美牛進口後,牛肉市場的交易數量卻大幅減少,而
此時牛肉價格仍然居高不下。依上所述,下列何種推論較符合牛肉市場的供需法則?
(A)雖然需求減少,但供給卻有增加 (B) 雖然需求減少,但供給沒有減少
(C)需求與供給減少的幅度相差不大 (D) 需求量與供給量都有微幅的增加
解答:c
我的想法:
如題所示偏好下降需求曲線左移,開放美牛進口供給曲線右移,均衡數量增減取決於
供需曲線移動幅度,但不論移動幅度如何供給曲線右移加需求曲線左移的情形下均衡
價格勢必下降,牛肉市場價格居高不下似乎不會成立,或是存在非美牛市場(但題目
中並沒區分美牛、非美牛市場),感覺題目怪怪,請各位幫小弟解惑,謝謝。
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