[試題] 98-1 張清溪 經濟學原理第四次小考
課程名稱︰經濟學原理
課程性質︰必修(兼通識)
課程教師︰張清溪
開課學院:社科院、管院
開課系所︰經濟系、國企系、財金系
考試日期(年月日)︰2009/12/28
考試時限(分鐘):50分鐘
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60%(共12題,每題5分)
1)Oligopoly's major distinguishing characteristics is that firms
A)produce different products
B)can influence the price of their product
C)enter the industry easily
D)are interdependent
2)Monopolistically copetitive firms have some market power
A)by virtue of size alone
B)by producing differentiated products
C)because of barriers to entry into the industry
D)because of barriers to exit from the industry
3)When a new firm begins production in the Cournot model, it is assumes its
demand curve is
A)the market demand less the amount the other firm is selling
B)the market demand plus rhe amount the other firm is selling
C)the same as the competing firm's demand curve
D)one-half of the competing firm's demand curve
4)You cause an automobile liability insurance company to face a moral hazard
problem when you take ___ ypu buy automobile liability insurance from the
company.
A)less driving precautions after
B)more driving precautions after
C)less driving precautions before
D)the same driving precautions before and after
5)Product differentiation that makes the product better for some consumers and
worse for other is
A)always welfare decreasing
B)vertical differentiation
C)horizontal differentiation
D) never undertaken by firms
6)Monopolistically competitive firms in long-run equilibrium profuce at ___
the optimalscale.
A)more than
B)exactly
C)less than
D)sometimes more and sometimes less than
7)What is the maximum value the HHI can take on?
A)1000
B)5000
C)10000
D)100000
Refer to the information provided in Figure 15.1 below to answer the questions
that follow. Below are drawn cost curves for Dom's Barber Shop, a
monopolistically competitive firm.(圖略)
8)Refer to Figure 15.1. In this industry in the long run
A)firms will continue to earn economic profits
B)firms will enter until all firms earn a normal profit
C)product demand will decrease so that profits are decreased
D) the government will impose prrice controls to eliminate profits
9)Agroup of firms explicitly colluding to make price and output decisions is
called
A)a concentrated industry
B)an oligopoly
C)a cartel
D)price leadership
10)As a result of an increase in the payroll tax that employers must pay on
their employees' wages, employers reduce the starting wage for new employees.
This is an example of
A)tax shifting
B)tax incidence
C)a regressive tax
D)tax avoidance
Refer to the information provided in Table 19.1. below to answer the questions
that follow
Table 19.1
Total Income Total Taxes
$10000 $1000
$20000 $2400
$30000 $4500
$40000 $8000
11)Refer to Table 19.1. If income increase from $30000 to $40000, the marginal
tax rate is
A)5%
B)20%
C)35%
D)indeterminate from this information
12)Refer to Table 19.1. The tax rate structure in this example is
A)proportional
B)progressive
C)regressive
D)marginal
二、問答題40%
1.假設某一產業中的廠商是跟跌不跟漲,請你回答以下問題
(1)假設A廠商為該產業中的一員,請你畫出A廠商面對的需求曲線,並且說明為什麼。
(需以圖及文字說明)
(2)承上題,請你說明A廠商具有價格僵固的特性。
2.請你找出以下賽局的納許(Nash equlibrium)均衡點。
(1) B
認罪 不認罪
A 認罪 2,2 -1,4
不認罪 4,-1 0,0
(2) 女
電影 球賽
男 電影 1,2 0,0
球賽 0,0 2,1
3.假設政府對某商品課徵從量稅,請利用圖形分析以下問題。
(1)若從量稅課在生產者上,生產者與消費者各負擔的稅賦為何?
(2)承上題,若需求彈性越大,則生產者對於從量稅的轉嫁能力越大還越小?
(3)證明不論把從量稅課在消費者或是生產者身上,都會產生一樣的絕對損失。
(deadweight loss)
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