課程名稱︰經濟學原理與實習
課程性質︰經濟系必修.G2通識
課程教師︰張清溪
開課學院：
開課系所︰
考試時間︰95.11.17
是否需發放獎勵金：是
（如未明確表示，則不予發放）
總分120分,滿分100分
選擇題(每題2分,總分50分)
1. Economics deals primarily with the concept of
(a)scarcity (b)poverty (c)change (d)power
2. Efficiency means that
(a)society is conserving resources in order to save for the future
(b)society's goods and services are distributed fairly among
society's members.
(c)society has lessened its dependence on foreign energy sources.
(d)society is getting the most it can from its scarce resources.
3. In economics, the cost of something is
(a)the dollar amount of obtaining it.
(b)always measured in units of time given up to get it.
(c)what you give up to get it.
(d)usually higher than people think it will be.
4. Each of the following statements about trade is true EXCEPT
(a)Trade increases competition.
(b)One country wins and one country loses.
(c)The United States can benefit from trade with any country.
(d)Trade allows people to buy a greater variety of goods and
services at lower cost.
5. Which of the following would NOT be considered a factor of production?
(a)labor (b)land (c)capital (d)money
6. Comparative advantage reflects
(a)productivity (b)relative opportunity cost
(c)efficiency (d)terms of trade advantage
7. Trade
(a)allows a person to consume at a point outside his production
possibilities frontier.
(b)limits a person's ability to produce goods and services on her own
(c)must benefit both traders equally
(d)is based on absolute advantage
8. The forces that make market economies work are
(a)price and quantity (b)the government and the people
(c)demand and supply (d)money and price
9. At the equilibrium price,
(a)buyers have an incentive to buy more
(b)it is possible for there to be shortage
(c)firms have an incentive to increase production
(d)everyone in the market has been satisfied.
10. Demand is said to be elastic if
(a)the price of the good responds substantially to change in demand
(b)demand shifts substantially when the price of the good changes
(c)buyers do not respond much to changes in the price of the good
(d)the quantity demanded responds substantially to changes in the
price of the good
11. A perfectly elastic demand curve will be
(a)vertical (b)downward sloping to the right
(c)horizontal (d)upward sloping to the right
12. If two goods are substitutes, their cross-price elasticity will be
(a)positive (b)negtive (c)zero (d)1
13. Whether a good is a luxury or necessity depends on
(a)the price of the good (b)the preferences of the buyer
(c)the intrinsic properties of the good (d)how scarce the good is
14. A price ceiling that is not binding will
(a)cause a surplus in the market
(b)cause a shortage in the market
(c)cause the market to be less efficient
(d)have no effect on the market price
15. Suppose a tax is imposed on the buyers of a product.The burden of
the tax will fall
(a)entirely on the buyers
(b)on both the buyers and the sellers
(c)entirely on the government
(d)entirely on the sellers
16. A tax placed on the seller of a good
(a)raises the price buyers pay and lowers the price sellers receive
(b)lowers the price buyers pay and raises the price sellers receive
(c)raises both the price buyers pay and the price sellers receive
(d)lowers both the price buyers pay and the price sellers receive
17. All of the following are properties of indifference curves EXCEPT
(a)higher indifference curves are preferred to lower ones
(b)indifference curves are downward sloping
(c)indifference curves do not cross
(d)indifference curves are bowed outward
18. Right shoes and left shoes can be represented by indifference curves
that are
(a)bowed out (b)right angles (c)bowed in (d)straight lines
19. Indifference curves graphically represent
(a)an income level sufficient to make an individual happy
(b)the constraints faced by individuals
(c)an individual's preferences
(d)the relative price of commodities
20. The marginal rate of substitution is
(a)the slope of a budget constraint
(b)always constant
(c)the slope of an indifference curve
(d)the point at which the budget constraint and the indifference curve
is tangent
21. A rise in the price of widgets leads consumers to buy more widgets.
From this information we can conclude that widgets:
(a)are normal goods (b)are inferior goods
(c)are Giffen goods (d)None of the above are correct
22. The relation between average product(AP) and marginal product(MP) are:
(a)When AP is increasing, AP>MP (b)When AP is decreasing, AP>MP
(c)When MP is decreasing, MP>AP (d)When MP is decreasing, MP>AP
23. If one's MUx=10 , MUy=20 ,Px=2 , Py=3, to maximize his utility under
his income constraint, he should consume:
(a)more Y and less X (b)more of both X and Y
(c)more X and less Y (d)less of both X and Y
24. Water is very useful but cheap, diamond is very expensive but not
so useful, because:
(a)water's MU is low (b)diamond's MU is high
(c)price is determined by MU (d)all of the above are correct
25. When P1=$12 Q1=20, P2=$15 Q2=10, the price elascity is:
(a)3 (b)2 (c)5 (d)1
問答題(總分70分;每題10分,除非另有註明)
一. ORZ早餐店的生意非常好,隔壁的KUSO早餐店為了搶生意推出免費試吃的優惠。
(設ORZ早餐為X,價格為Px; KUSO早餐為Y,價格為0) (15分)
1. 請問ORZ早餐店面對的需求線是否變動?如何變動?(繪圖說明之)
2. 若此時阿呆寧願花錢吃ORZ早餐。我們是否可以計算出KUSO早餐對他的邊際
效用?若可，為何?
3. 請以邊際效用分析法解釋阿呆的行為。
二. 張三與李四各有一條直線的生產可能線。張三每年可生產100斤米或50斤蔬菜；
李四則可生產50斤米或100斤蔬菜。
1. 兩人生產兩物的機會成本各是多少?她們的比較利益又在哪?
2. 如果市場上一斤米可以交換一斤蔬菜，繪出張三的生產可能線，標出他的生產點
再繪出預算線以及他的無異曲線(分別與生產可能限與預算線相切)
三. 7-11最近推出[兩人經濟學]，兩個人一起來消費同一樣的商品可以享受折扣。
若你是7-11的老闆，目標是增加營收。 (15分)
1. 請問你會將替代品較多還是較少的商品列入[兩人經濟學]的商品範圍?為什麼?
2. 請問這個策略短期還是長期有效?為什麼?
3. 請問你所面對的價量關係應該在需求線的哪一個部份?
四. 繪出X(橫軸)與Y(縱軸)的無異曲線圖，配合簡單的文字，導出一條正常的X需求線
五. 阿民是籃球高手,NBA球隊都想花高薪請他去打球,可是他卻選擇在家玩股票兼帶小孩
。跟朋友聊天時,朋友說"阿民,你真厲害,每天買的都漲停。"但他總是說"是漲停,
但我玩股要不但沒賺錢,反而還虧錢。" 為何股票賺錢她卻說虧錢?請問其經濟意義?
還有,帶小孩帶給阿民的價值至少為何?(設NBA所付的薪資為M,股票所得為N)
六. 某公司的生產函數是Q=2K^0.5L,價格Pk=$2, PL=$10。它有三個生產點:
a點是K=25, L=5;b點是K=25,L=10;c點是K=36,L=10。K代表規模,a點的SAC=LAC,
而c點的SAC=LAC=LMC。請繪出SAC與LAC圖。並標出a,b,c三點,以及對應的產量
與成本。
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.238.88