94年成大企研所經濟學 - 經濟

By Doris
at 2009-03-02T20:53
at 2009-03-02T20:53
Table of Contents
來源: 94年度成大企研研究所考
科目:經濟學
問題:
1.the effect of speculators in a market is to make
a.the demend curve more elastic
b.the supply curve more inelastic
c.the demend and supply curves more elastic
d.demend more inelastic and supply more elastic
ANS: C
我的想法: 我認為市場投機者會導致需求線較有彈性,但我不知道如何供給也會變得
更有彈性。
2.in the competitive market industrythe market price is $10. an individual
firm is producing the output at which MC=ATC=$15 . at that output,avc=$10
what should the firm do the maximize its short-run profit?
a.shut down
b.expend output
c.contract output
d.leave output unchange
ANS.C
我的想法: 當短期價格=SAVC時 不是已經到了歇業點了嗎? 所以他要選擇關門也是可以阿
所以我選了a.
3. the mid-1970s were characterized?
1.AD增加且短期AS大幅減少
2.AD增加且長期AS也增加
3.AD減少且短期AS也減少
4.長期AS增加
ANS:A
我的想法:1970年中期發生了兩次石油危機,照理來說AS在短期是減少得可以確定。
但是AD我就不知道了。所以我當時選了答案C。
懇請各位幫忙解答一下
感激不盡
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