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課程名稱︰ 經濟學原理與實習二
課程性質︰ 必修(兼通識)
課程教師︰ 張清溪
開課學院： 社會科學院
開課系所︰ 財金系 經濟系
考試日期（年月日）︰ 2009/06/15
考試時限（分鐘）： 120
是否需發放獎勵金： 是
（如未明確表示，則不予發放）
試題 :
一、選擇題(每題2分)
1.According to liquidity preference theory, the money supply curve would shift
if the Central Bank
(A) changed the re-discount rate
(B) engaged in open-market transactions
(C) changed the reserve requirement
(D) did any of the above
2.When the Central Bank buys government bonds, the reserves of the banking
system
(A) decrease, so the money supply increases
(B) increase, so the money supply decreases
(C) increase, so the money supply increases
(D) decrease, so the money supply decreases
3.Which of the following is the most liquid asset?
(A) stocks and bonds with a high risk
(B) capital goods
(C) sotcks and bonds with a low risk
(D) funds in a checking account
4.When the interest rate increases, the opportunity cost of holding money
(A) increases, so the quantity of money damanded decreases.
(B) decreases, so the quantity of money damanded increases.
(C) increases, so the quantity of money damanded increases.
(D) decreases, so the quantity of money damanded decreases.
5.If at some interest rate, the quantity of money damanded is greater than the
quantity of money supplied, people will desire to
(A) buy interest-bearing assets causing the interest rate to increase.
(B) sell interest-bearing assets causing the interest rate to increase.
(C) buy interest-bearing assets causing the interest rate to decrease.
(D) sell interest-bearing assets causing the interest rate to decrease.
6.According to liquidity preference theory, people will want to hold more
money if the price level
(A) or the interest rate decreases.
(B) or the interest rate increases.
(C) increases or the interest rate decreases.
(D) decreases of the interest rate increases.
7,In the IS-LM model, the reason for the slope of the aggregate demand curve
is that as the price level
(A) increases, interset rate decrease, and investment increases.
(B) decreases, interset rate increase, and investment increases.
(C) increases, interset rate increase, and investment decreases.
(D) decreases, interset rate decrease, and investment decreases.
8.If the Central Bank decided to lower interest rates, it could
(A) sell bonds to raise the money supply.
(B) buy bonds to lower the money supply.
(C) sell bonds to lower the money supply.
(D) buy bonds to raise the money supply.
9.During recessions, automatic stabilizers tend to make the government's
budget
(A) move toward surplus.
(B) move toward balance.
(C) move toward deficit.
(D) move to uncertain direction.
10.In the long run, the level of output
(A) depends on the price level.
(B) depends on the money supply.
(C) is determined by supply-side factors.
(D) All of the above are correct.
11.In the long run, changes in the money supply affect
(A) price. (B) unemployment rates. (C) output. (D) All of the above.
12.Fiscal policy refers to the idea that aggregate demand is changed by
changes in
(A) trade policy.
(B) the money supply.
(C) government spending and taxes.
(D) All of the above are correct.
13.Which of the following is not included in aggregate demand?
(A) purchases by foreigners of consumer goods produced in the US
(B) purchases of stock and bonds
(C) purchases of capital goods such as equipment in a factory
(D) purchases of services such as visits to the doctor
14.The wealth effect, interest rate effect, and exchangerate effect are all
explanations for
(A) everything that makes the aggregate demand curve shift.
(B) the slope of long-run aggregate supply.
(C) the slope of the aggregate demand curve.
(D) the slope of short-run aggregate supply.
15.The long-run aggregate supply curve shifts right if
(A) the capital stock increases.
(B) net export increases.
(C) government's investment rises.
(D) All of the above are correct.
16.下列何者不是造成中共改革開放以後，變成「私營政府」的主要原因？
(A) 保障中共專政的憲法
(B) 地方分權的財政聯邦主義
(C) 招商引資的開放政策
(D) 漸進療法的制度轉軌方式
17.A decrease in unemployment insurance payments would in effect ___ the
amount of time spent searching for a job, which would decrease ___
unemployment.
(A) decrease; frictional
(B) increase; frictional
(C) increase; cyclical
(D) decrease; cyclical
18.Charlie is now working and is currently looking for work. 行政院主計處
would count Charlie
(A) as employed, and also in the labor force.
(B) as unemployed, and in the labor force.
(C) as unemployed, but not in the labor force.
(D) as employed and as unemployed.
19.Imagine that you borrow $5000 for one year and at the end of the year you
repay the $5000 plus $600 of interest. If the inflation rate was 4%, what
was the real interest rate you paid?
(A) 6%
(B) 8%
(C) 12%
(D) 16%
20.When actual inflation is less than expected inflation
(A) borrowers lose and lenders gain.
(A) borrowers gain and lenders lose.
(A) borrowers and lenders both lose.
(A) borrowers and lenders both gain.
21.Suppose you withdraw $500 from your checking account deposit and bury it in
a jar in your backyard. If the required reserve ratio is 20%, checking
account deposits in the banking system as a whole could drop up to a
maximum of
(A) $500
(B) $1000
(C) $2500
(D) $5000
22.Which of the following is defined as "Simple Keynesian Model":
(A) Y = C + G
(B) Y = C + I
(C) Y = C + X
(D) Y = C + S
23.Which of the following should be counted as GDP in current year?
(A) the increment of year-end inventory of this year over that of the last
year.
(B) the increment of current-year export over that of the last-year.
(C) the increment of current-year import over that of the last-year.
(D) All of the above.
24.A.W.Phillips(1914-1975) found a negative relation between
(A) output and employment.
(B) wage inflation and output.
(C) output and unemployment.
(D) wage inflation and unemployment.
25.If the short-run Phillips curve were stable, which of the following would
be unusual?
(A) an increase in both inflation and output.
(B) a decrease in inflation and an increase in unemployment.
(C) an increase in both inflation and unemployment.
(D) an increase in output and a decrease in unemployment.
二、問答題
1.假設一開放體系下的簡單凱因斯模型如下：(15分)
Y = C + I + G + (X - M)
C = Ca + b(Y - T)
I = I + iY
T = T
G = G
X = X
M = Ma + mY
其中，b:邊際消費傾向，i:邊際投資傾向，m:邊際進口傾向。
(a) 請推導此模型的自發性支出乘數。
(b) 如果政府支出必須平衡預算，證明政府自發性支出乘數小於1。
(c) 給定b = 0.1, m = 0.1, i = 0.3, Ca = 20, Ma = 8, I = 50, G = 10, T = 10,
X = 10。則均衡所得是多少？假設現在體系存在緊縮缺口21，則充分就業的均衡所
得為何？
2.回答以下兩題 IS-LM 的問題。(10分)
(a) 繪出一般的IS-LM圖，並由Real Balance Effect(實質餘額效果，也稱為
Interest-rate Effect)，導出負效率的AD曲線。
(b) 用上述圖形，在圖上說明Wealth Effect(財富效果)，如何導出負效率AD曲線。
3.政府發放消費券8億元(以下數字，均以億為單位)。(20分)
Y = C + I + G
C = 80 + 0.6(Y - T)
I = 30 - 200i
T = 40
G = 40
其中，T是政府的淨稅收，目前利率i=0.05，因此I=20。請用以上模型，回答下列問題
(a) 發放消費券前、後的均衡所得，各為多少？
(b) 用45度線圖，繪圖說明上述答案。
(c) 導出IS線的數學式子，並繪出IS線(不考慮消費券)。
(d) 以IS線，配合一般的LM線圖，在圖上說明消費券的效果。並比較此時消費券效果，
與45度線圖的效果何者為大？為什麼？
三、是非簡答題(每題5分)
以下敘述如果是對的，請標示"T"；如果是錯的，請標示"F"。請簡略解釋你的答案(不論
選擇T或F，都必須解釋，不解釋不給分)
1.排擠效果(crowding-out effect)指的是因為民間投資的增加排擠了民間消費。
2.事後的儲蓄必定等於事前的儲蓄，但事後的投資不一定等於事前的投資。
3.在凱因斯模型 Y = C + I + G + X - M 下，可證明 X = M = 10 與 X = M = 50 時，
均衡所得相同。
4.資本主義越重要，學術上討論資本主義的價值越低。
5.價量管制、獨佔與共產制度下經常的短缺，在供需圖上有其共同之處。
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