Exam 3: Applying the Supply and Demand Model
Exam 1: Introduction50 Questions
Exam 2: Supply and Demand141 Questions
Exam 3: Applying the Supply and Demand Model114 Questions
Exam 4: Consumer Choice115 Questions
Exam 5: Applying Consumer Theory108 Questions
Exam 6: Firms and Production117 Questions
Exam 7: Costs114 Questions
Exam 8: Competitive Firms and Markets117 Questions
Exam 9: Applying the Competitive Model146 Questions
Exam 10: General Equilibrium and Economic Welfare112 Questions
Exam 11: Monopoly138 Questions
Exam 12: Pricing and Advertising125 Questions
Exam 13: Oligopoly and Monopolistic Competition118 Questions
Exam 14: Game Theory99 Questions
Exam 15: Factor Markets93 Questions
Exam 16: Interest Rates, Investments, and Capital Markets110 Questions
Exam 17: Uncertainty112 Questions
Exam 18: Externalities, Open-Access, and Public Goods113 Questions
Exam 19: Asymmetric Information109 Questions
Exam 20: Contracts and Moral Hazards97 Questions
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Explain why when the demand curve for a good is elastic,a one percent reduction in the price of the good will increase a consumer's expenditure on the good.
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Correct Answer:
When a good has an elastic demand,a one percent decrease in the price will result in a greater than one percent increase in the quantity demanded.Thus,the price multiplied by the quantity will increase when the price declines by one percent.
For a given positively sloped supply curve,the price increase to consumers resulting from a specific tax imposed on sellers will be
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Correct Answer:
B
The price elasticity of demand for gasoline is estimated to be -0.2.Two million gallons are sold daily at a price of $3.Use this information to calculate a demand curve for gasoline assuming it is linear.
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Correct Answer:
Elasticity = slope (p/Q),-0.2 = slope (3/2).
The slope equals -0.133.
Thus,Q = a - 0.133p or 2 = a - 0.133(3).
Solving yields a = 2.399.The demand curve is Q = 2.399 - 0.133p (where Q is expressed in million gallons).
The percentage change in the quantity demanded in response to a percentage change in the price is known as the
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If a government wants to maximize revenues from a tax it should
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The current price floor in the agricultural lettuce market makes it such that the price of lettuce is 25% higher than the equilibrium price and that 100 heads of lettuce are demanded.Assuming that the elasticity of demand for lettuce is -0.50,how much would revenue (P ∗ Q)change for the lettuce company if the government removed the current price floor?
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The market demand for wheat is Q = 100 - 2p + 1pb,where pb is the price of barley.If the price of wheat is $2,the price elasticity of demand
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The elasticity of demand for employees is -0.50.It is also estimated that the existing minimum wage (price floor)has increased the raise the wage by 25% above equilibrium wage.How much would the employment change if the price floor was eliminated?
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-The above figure shows the demand curve for crude oil.If the market price is $10 a barrel,what is the price elasticity of demand?

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If the demand curve for a good always has unitary price elasticity,what does this imply about consumer behavior?
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In the case of a linear demand curve,demand becomes more price elastic as price increases.
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Which of the following goods probably has the lowest (absolute value)short-run price elasticity of demand?
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If the demand function for orange juice is expressed as Q = 2000 - 500p,where Q is quantity in gallons and p is price per gallon measured in dollars,then the demand for orange juice has a unitary elasticity when price equals
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The change in price that results from a leftward shift of the supply curve will be greater if
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Who will bear the burden of a $0.05 tax placed on soda suppliers (consumer or seller)in a soda market where Qd = 225-10P and Qs = 50 + 15P?
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Government revenue from an excise tax of a given amount is greater when demand is relatively inelastic than when it is relatively elastic.
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In the mid-1980s,the salaries of accounting professors with Ph.D.s increased dramatically.This resulted in an increase in enrollments in Ph.D.accounting programs.Since a Ph.D.degree in accounting may take at least four years to complete,the short-run elasticity of supply of accounting professors is
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Which good would you expect to have a greater price elasticity: a gallon of gasoline sold at a specific gasoline station on Main Street in Phoenix,a gallon of gasoline sold in Phoenix,or a gallon of gasoline sold in Arizona? Why?
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Explain why short-run demand for frozen fish sticks may be more price elastic in the short run than in the long run.
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When comparing elasticities between two different linear demand curves,the curve that is flatter has greater price elasticity at every given price.
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