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习题练习:IB Economics Unit 2.3: Microeconomics - Elasticities



 作者: admin   总分: 17分  得分: _____________

答题人: 匿名未登录  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 thexhr:)20ot4edc w 2c, rhbw y;z supply schedule for oranges
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 f2il k-m4ue9 jl8 xt qt34a1n9rmioy;pollowing is a determinant of price elasticity of supply (PES)nl2tj 1pu-84aexmy9koir9 ;3 m qlit4 .

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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 demand (PED) for a 7o8s,ufhh.f a home cleaning service changes from 1.81.8 to 1.21.2. Which of the following statements ex 8a 7ohffh,us.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 goo l:j rir7fdr/ s,xa7)kd, assume the income of consumers increases by 10% and quantity demanded of the good increases by 5%. Calculate the income elasticity of demand (YED), and state the type of good it rx 7/ jlrr7s):af, dkiis.

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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 are valid reasons why the pri+;vw kyvwt/h*c, u0m 95krrm*/u jl poce elasticity of supply (PES) for primary commodities is generally lower than the PES for manufactur r j o+cywu;/pv vhr/u9 w*m50t*kkl,med 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 country of Smokeland, tgq( r1tae -qnq/ om56qhe government implements high indirect taxes on cigarettes to deter consumption. Strict regulations on advertising and promotion, coupled with public health programs funded by tago6 q/e1qm (q aqtr5n-x 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 producto7sj4u))s au-l oed:t 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 n*ygbfg r z8o34 6hcdwypwq74)q eq+ 8of the following will occur when the price is loww3rd qq48qpzyeny68 ) gog74+cfh bw*ered?

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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 fdgj.h)z 6wccn p6a ,j(* ;zrjgood, assume the price elasticity of demand (PED) is −1.95. Which group of ou gc6w)6rdz,fp;.(*zac h jjn jtcomes below correctly determines the impact 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 supply becrq5 c* 2krliywib2v/-ause
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 elastic supply becaub;n l3nds5a3 txa 78p3fvyq+ese
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 elasticity of supply is 3 when the price of a product (zb4;2 iyu hgfincreases fromz i4u;yg(fbh2 $\$$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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