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习题练习：IB Economics Unit 2.3: Microeconomics - Elasticities
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 作者: admin    总分: 17分  得分: _____________

答题人: 游客未登录  开始时间: 23年04月08日 17:45  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The table below indicates the supply schedule for oranges )+4x26nd .n cg--2csx jfz.b jchtpo w
Price(US$/dozen) Quantity supplied (dozens)
6 20
7 28


Calculate the price elasticity of supply (PES) when the price of a dozen oranges increases from US$\$$6 to US$\$$7?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Identify which of the following is a determinant of 6hlygxj r3u85price elasticity of supply (PEgy3rl 56u8xhjS).

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assume the price elasticity of de p*bm-,fh gg9wbyuxf+,zs+ e,mand (PED) for a home cleaning service changes from 1.81.8 to 1.21.2. Which of the following statements ex,e+,fy- bw ,+9gspmguhfx*b z plain this change?
I. a competing firm increased its operating hours
II. a competing firm begins focusing on office cleaning
III. incomes of potential customers increase

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
What market that is most likely pictured in the diagram above?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the market for a good, assume t,vd,ksfp -uwdupv064m* s f c-he income of consumers increases by 10% and quantity demanded of the good increases by 5%. Calculate the income elasticity of dv40c*f,6pvu spuk,fdd--mws emand (YED), and state the type of good it is.

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Identify which of the following a3yo poejt s,- :uaqs2)re valid reasons why the price elasticity of supply (PES) for primary commodities is generally lower than thqa3o puss2-,ey tjo:) e PES for manufactured products.

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
Rrice Quantity demanded
US$20 100
US$21 97


Calculate the price elasticity of demand for the product in the table above when the price increases from US $\$$20 to US $\$$21.

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the hypothetical cou1jgp:d s 8f3iuntry of Smokeland, the government implements high indirect taxes on cigarettes to deter consumption. Strict regulations on advertising 8f pu d1jig:3sand promotion, coupled with public health programs funded by tax revenues, lead to reduced smoking rates and improved public health outcomes.
Which of the following is not a possible outcome of these forms of government intervention?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The price of a product *ih;*b4tg3 jqa*6gr i rfza9g falls from $\$$30 to $\$$25, and as a result, quantity supplied decreases from 250 000 to 200 000. Calculate the PES and determine whether supply is price-elastic or price-inelastic.

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a straight-line demand curve, which of the following will occur when t6 vl :ik6ey gu7*gj7nche price isvjg* gyu:7kce n66li7 lowered?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
Which point on the Engel curve above identifies the situation where blankets are a luxury good?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a 5% decrease in the price of a good, assume the7kq ogw7 8 (e(su7iz,mc1 bqwa price elasticity of demand (PED) is −1.95. Which group of outcomes below correctly determines the impacq w1 78o(s7 i,q kzucw(bgema7t of the change in price of the good?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
Gizmos Whats its Widgets
Firm A weekly production 80 70 50
Income elasticity of demand(YED)
1.2 0.6 -0.4


Assume consumers' incomes fall, and the chief operating officer of Firm A recommends reallocating production inputs to reflect changes in demand. Which of the following recommended reallocations would lead to the greatest increase in sales for Firm A?

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Oil has price inelastic su2g,x(opd2 p3 i 5m9yraua/tkjpply because
I. It has limited substitutes
II. It takes time to adjust production inputs
III. Production involves a high cost
IV. It is a necessity

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consumer electronics have price ervkby3b ,c nw(l 8w9n*lastic supply because
I. They are durable and can be stored
II. They do not take a long time to produce
III. They have a lot of substitutes
IV. They are luxuries

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  
Which of the following statements correctly compares the supply curves above?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assume that the price elastick i6xt0f,kn i.ity of supply is 3 when the price of a product increases frok x.t ,kiifn06m $\$$40 to $\$$42.
If the change in quantity supplied is 270, how many units of the product will suppliers produce at the current price?

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