作者happyErin (Erin)
看板NCCU_Exam
標題[試題] 1011 羅光達老師 財政學 期中考
時間Wed Mar 27 11:47:13 2013
課程名稱：財政學
課程性質：選修
課程範圍：效用、公共財、偏好、外部性
開課教師：羅光達
開課學院：社會科學院
開課系級：財政系
考試日期(年月日)：2012.11.19(一)
考試時限(Mins)：110mins(16:10~18:00)
附註：
試題本文：
Guidance :
1. Do all questions and write legibly on the answer book.
2. Total points = 100; Sggested time = 100 minutes. (16:10~18:00)
3. Please keep your original copies of quizzes/midterm/final, in case you
needthem to correct your scores.
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1.(15points, 5/10)
Please answer the following questions:
(1) What is Pareto improvement? What is Pareto optimality?
(2) Derivqe the Utility Possibilities Curve (UPC) form an Edgeworth Box.
2.(15 points)
What is the first fundamental theorem of welfare economics? Please briefly
proof it.
3. (18 points,6/12)
A community only has three individuals ( X, Y and Z). Their demand curves
for good A can be expressed by functions: P^X=30-2Q,P^Y=20-Q,P^Z=10-0.5Q,
Respectively, where Q is the quantity demanded for good A.
(1) If good A is a pure private good, what is the community’s demand
curve for good A？If good A is sold in a competitive market at the
price of $6, what is the quantity demanded for each individuals？
(2) If good A is a pure public good, what is the community’s demand
curve for good A？ Suppose the marginal cost of producing good A
is given bythe function MC=1.5Q. What is the efficient output of
good A？What is the quantity demanded for each individuals？What
is the willing-to-pay price for each individuals at the efficient
output？
4. (15 points)
Please derive the Samuelson’ Condition by using the Production
Possibilitise Frontier (PPF) and the Indifference Curve (IC).
5. (20 points, 5/5/10)
(1)Why there will be a free-rider problem when the market has a
public good？
(2)What is preference revelation mechanism？
(3)Please describe graphically the preference revelation mechanism
of”Clarke Tax”.
6. (15 points,5/5/5)
True/False and Explain Why
(1) According to Taiwan's data, the largest share of government
expenditureis spent on national defense; in addition, the ratio
of government spending to GDP is around 0.2 in recent years.
(2)All points on a utility possibility curve are efficient and have
the same characteristic in terms of the distribution of well-being.
(3)Cost externalities reduce efficiency and create a deadweight loss but
benefit externalities will increase efficiency and do not create any
deadweight loss.
7.(2 point)
Please write down your alias identification, which will be used and
posted on the web site to track your grade records.
Please return the question sheet with your answer book.
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