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課程名稱︰經濟學原理與實習二
課程性質︰經濟系必修
課程教師︰張清溪
開課系所︰經濟系
考試時間︰2005.05.06
試題 :
選擇題（每題3分，共60分）
1. If your firm has constant returns to scale, then if you doubledall your
inputs, your firm's output would
(a) remain constant.
(b) increase, but by less than double.
ˇ(c) double.
(d) more than double.
2. Y/L is
ˇ(a) productivity.
(b) output.
(c) the availability of natural resources.
(d) the amount of human capital.
3. Which of the following is NOT a demand for money by Keynesian Liquidity
Preference Theory:
(a) transaction motive.
(b) precautionary motive.
ˇ(c) saving motive.
(d) speculative motive.
4. A certificate of indebtedness that specifies the obligations of the borrower
to the holder is called a
(a) mutual fund.
(b) stock.
ˇ(c) bond.
(d) All of the above are correct .
5. If Microsoft sells a bond, they are
(a) lending indirectly to the public.
(b) borrowing indirectly from the public.
(c) lending directly to the public.
ˇ(d) borrowing directly from the public.
6. Stock represents
(a) a claim to the profits of a firm.
(b) ownership in a firm.
(c) equity finance.
ˇ(d) All of the above are correct.
7. In a closed economy's accounting, national saving equals
(a) investment.
(b) income minus the sum of consumption and government expenditures.
(c) private saving plus public saving.
ˇ(d) All of the above are correct.
8. A higher interest rate induces people to
(a) invest more, so the supply of loanable funds slopes upward.
(b) save less, so the supply of loanable funds slopes downward.
ˇ(c) save more, so the supply of loanable funds slopes upward.
(d) invest less, so the supply of loanable funds slopes downward.
9. Diversification reduces
(a) only aggregate risk.
ˇ(b) only idiosyncratic risk.
(c) neither aggregate nor idiosyncratic risk.
(d) both aggregate and idiosyncratic risk.
10.Liquidity refers to
ˇ(a) the ease with which an asset is converted to the medium of exchange.
(b) a measurement of the intrinsic value of commodity money.
(c) the suitability of an asset to serve as a store of value.
(d) how many time a dollar circulates in a given year.
11.Fiat currency
(a) has intrinsic value equal to its value in exchange.
(b) is backed by gold.
ˇ(c) has no intrinsic value.
(d) is any close substitute for currency such as checkable deposits.
12.Credit card balances are included in
(a) M1 but not M2.
(b) M2 but not M1.
(c) M1 and M2.
ˇ(d) Neither M1 nor M2.
13.As the required reserve ratio increases, the money multiplier
(a) increases.
(b) does not change.
ˇ(c) decreases.
(d) could do any of the above.
14.If the Central Bank wanted to increase the money supply, it should make
open market
(a) sales and raise the discount rate.
(b) sales and lower the discount rate.
(c) purchases and raise the discount rate.
ˇ(d) purchases and lower the discount rate.
15.When the number of dollars needed to buy a representative basket of goods
falls, the value of money
(a) rises, and so the price level rises.
ˇ(b) rises, and so the price level falls.
(c) falls, and so the price level rises.
(d) falls, and so the price level falls.
16.When the money market is drawn with the value of money on the vertical axis
if the price level is above the equilibrium level, there is a
(a) shortage, so the price level will rise.
ˇ(b) shortage, so the price level will fall.
(c) surplus, so the price level will rise.
(d) surplus, so the price level will fall.
17.Purchasing-Power Purity Theory is a theory of
ˇ(a) exchange rates whereby a unit of any given currency should be able to
buy the same quantity of goods in all countries.
(b) purchasing power whereby a family of any given country should be able to
buy the same quantity of goods as other countries.
(c) rent whereby all countries pay the same unit price.
(d) land whereby all countries pay the same unit price.
18.The wagesof foreign workers worked in Taiwan will recorded in Taiwan's
balance of paymentas a
(a) plus item in capital account.
(b) minus item in capital account.
ˇ(c) plus item in current account.
(d) minus item in financial account.
19.If the real GDP remains the same, a decrease in self-sufficient activities
will
(a) decrease the supply of money.
(b) increase the supply of money.
(c) decrease the demand of money.
ˇ(d) increase the demand of money.
20.Hot money will rush into a country when the country's
(a) economic growth rate is expected to be higher then before.
ˇ(b) currency is expected to be appreciated.
(c) investments are overheated.
(d) All of the above are correct.
問答題（每題10分，共60分）
一、假設一國的「實質貨幣需求函數」為：(M^d)/P=A(Y/r)，其中Y為「實質GDP」，r為
「名目利率」，A為常數，M^d為對M1B之需求，P為物價指數。
(a) 若物價膨脹率為6%，實質國民所得成長率為5%，名目利率固定為7%。請問貨幣成長
率為多少。
A:6%+5%-0%=11%
(b) 請計算實質利率，及名目國民所得之成長率。
A:實質利率：7%-6%=1%
名目國民所得之成長率：5%+6%=11%
二、若通貨(C)與活、支存(D)比例為α；存款準備(R)與活、支存比例為β。
(a) 請推導M1B之貨幣乘數。
A:(α+1)/(α+β)
(b) 請問α與β上升分別對M1B造成何種影響？(請附推導過程)
A:m下降；M1B下降。
三、若一國的生產函數為Y=AK^βL^(1-β)，其中β=0.5，1980到2005年勞動投入從2,000
萬小時增加到2,400萬小時，資本累積量500億增加到800億，GDP從1000億增加到1500
億。請問該國的技術進步或退步？並請計算進(退)步比率。
A:技術進步；進步率=10%
四、貨幣創造乘數最大值是多少？要達到這個最大值，需要什麼條件？
五、分別說明下列兩項對美元匯率的影響：
(a) 台灣對美國的出口增加。
A:匯率下降。
(b) 台灣中央銀行買賣美元外匯。
A:買進：匯率上升；
賣出：匯率下降。
六、根據經濟學之父亞當．斯密(Adam Smith)，
(a) 落後國家的政府只要做到三個條件就能發展經濟：一是和平(peace)；二是低稅
(easy taxes)；三是什麼？
A:tolerable administration justice.
(b) 課稅要符合四個原則：公平、確定、徵收方便、收稅費用低；其中以何者最重要？
A:確定。
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