[考試] 幾題經濟
※ [本文轉錄自 Grad-ProbAsk 看板]
作者: Godwithme () 看板: Grad-ProbAsk
標題: [問題] 幾題經濟
時間: Sat Sep 13 11:59:58 2008
1.依古典學派的可貸資金理論:
(A)貨幣供給增加時利率會下降
(B)民間投資需求增加時利率會下降
(C)民間儲蓄意願降低時利率會下降
(D)貿易赤字增加實利率會下降
(E)政府財政赤字減少時利率會下降
Ans:E [94中山財管]
Q:(B)(C)為何不對?
解釋:(B)(C)→利率先變動,I&S才會變動?
2.貨幣數量學說(MV=PY)
(A)隱含貨幣流通速度是固定的且實質餘額對所得的需求彈性是1
(B)隱含u=π-g,其中u是貨幣成長率,π是通貨膨脹率,而g是產出成長率
....後面選項不重要
Ans:A [90政大企管]
Q:A選項後面敘述「實質餘額對所得的需求彈性是1」如何得知?
B選項若把式子改成u=π+g 此式即變為正確?
3.以下陳述關於每年實質所得上升3% 何者為真?
(A)若通貨膨脹為5% 則人們必須獲得每年加薪約8%
(B)若貨幣中立,則貨幣供給增加將不改變實質所得成長
(C)實質所得上升會造成貨幣需求的增加,利率也會隨之上升
(D)以上皆是
Ans:D [92東華國企]
Q:A為何對?
C選項為何利率會隨之上升?
4.Please use the loanable funds framework to explain the following situations:
if other things being equal,what will happen to the equilibrium interest rate
when
(二)民間儲蓄率下跌
(三)國內投資環境惡化,產業出走
[93政大風管]
Q:此題圖形畫出的結果和我所想的式子結果不同
解釋:我想的式子是I(r)=dI/dr<0,S(r)=dS/dr>0
因此(二)S(r)↓→LFs↓→r↓(但圖形是r↑)
(三)I(r)↓→LFd↓→r↑(但圖形是r↓)
5.An economy produces output using the technology Y=L where L is the labor
input.Also the representative agent has a utility function given by
U=ln(Y)+ln(1-L)
(一)How much output would be produced in equilibrium?
[91政大國貿]
Ans:MaxU=ln(Y)+ln(1-L)
s.t. Y=L
F.O.C:dU/dY=0
1/Y+(-1/1-Y)=0 Y*=1/2
Q:我不知道FOC那邊怎麼算出的?可能是遇到ln的關係就不會吧...@@
6.依據古典學派的理論,下列何者不會影響產出?
(D)政府採取債券融通的擴張性財政政策
[90輔大金融]
Q:此題答案是說D選項不會影響產出
我想知道為何不會影響產出?
謝謝各位大大~
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