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When oil prices increased to record levels in the 1970s, salaries dramatically increased for petroleum geologists skilled in finding oil. Those geologists who moved from other areas to the higher paying jobs were


A) seeking to profit from society's needs rather than following the guidance of the invisible hand, which would have led them to seek jobs serving society rather than jobs with higher pay.
B) following the guidance of the invisible hand and probably serving society's best interests as well as their own.
C) causing oil prices to rise even more by moving to jobs with higher salaries.
D) helping themselves but hurting the economy.

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"The operator of the tunnel that links Britain and France, Eurotunnel, said that commercial and tourist traffic using its car and coach shuttle service had fallen sharply in 2004, leading to a drop in operating revenues of 4%. Eurotunnel's chief executive, Jean-Louis Raymond, blamed cut-throat competition from budget airlines." (news story, January 2005) a.If Mr. Raymond is correct, are the services of airlines and Eurotunnel substitutes or complements? b.Use demand and supply analysis to explain how lower airfares between Paris and London impact the market for the shuttle services of Eurotunnel.

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a.substitutes
b.The lower airf...

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Suppose demand decreases and supply decreases. Which of the following will happen?


A) Equilibrium price will rise, fall, or stay the same while equilibrium quantity will decrease.
B) Equilibrium price will rise, fall, or stay the same while equilibrium quantity will increase
C) Equilibrium quantity will rise, fall, or stay the same and equilibrium price will increase.
D) Equilibrium quantity will rise, fall, or stay the same while equilibrium price will decrease.
E) The change in equilibrium price and quantity cannot be determined.

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Figure 3-22 Figure 3-22                -Refer to Figure 3-22. Which of the four graphs illustrates an increase in quantity supplied? A)  A B)  B C)  C D)  D Figure 3-22                -Refer to Figure 3-22. Which of the four graphs illustrates an increase in quantity supplied? A)  A B)  B C)  C D)  D Figure 3-22                -Refer to Figure 3-22. Which of the four graphs illustrates an increase in quantity supplied? A)  A B)  B C)  C D)  D Figure 3-22                -Refer to Figure 3-22. Which of the four graphs illustrates an increase in quantity supplied? A)  A B)  B C)  C D)  D -Refer to Figure 3-22. Which of the four graphs illustrates an increase in quantity supplied?


A) A
B) B
C) C
D) D

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Consumer surplus is the area on the graph


A) above the supply curve and below the demand curve.
B) below the demand curve and above the market price.
C) that represents the gains that producers receive when they sell a product.
D) that reflect the opportunity cost of producing the a good.

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"Falling consumer income from the recent recession has hurt automakers in more ways than one. Not only have sales of new cars fallen, but car prices have fallen as well. As a result, the major automakers have announced cutbacks in production and layoffs of workers." Which of the following places these statements in the proper economic terminology within the context of the supply and demand model? [Note: It may help to graph this first.]


A) a decrease in demand and a decrease in supply
B) a decrease in demand and a decrease in quantity supplied
C) a decrease in quantity demanded and a decrease in quantity supplied
D) a decrease in quantity demanded and a decrease in supply

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Which of the following would be the best example of consumer surplus?


A) Jane pays $30 a month for phone service even though it is worth $70 to her.
B) Sam refuses to pay $10 for a haircut because it is only worth $8 to him.
C) Fred buys a car for $4,000, the maximum amount that he would be willing to pay for it.
D) When Sue purchases a candy bar for $.50, she uses a $20 bill to pay for it.

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Just before Valentine's Day, the price of roses increases dramatically. This is because


A) self-interested individuals try to charge more for a good than consumers are willing to pay.
B) demand increases while the supply of roses remains relatively constant.
C) the supply curve of roses is highly elastic.
D) the demand for roses is relatively inelastic most of the year, but becomes more elastic as demand increases.

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Sam lives in a town with a population of 3,000. He says, "This town really needs a pizza restaurant. People want pizza and would be willing to pay a lot for it, but no one will open a pizza place because they couldn't make any money." Evaluate Sam's statement.

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His statement clearly conflicts with the...

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A hurricane damaged much of the housing in Miami. Shortly thereafter, the price of plywood rose significantly. The events suggest that


A) a decrease in the supply of plywood caused the price of plywood to rise.
B) an increase in the supply of plywood caused the price of plywood to rise.
C) a decrease in the demand for plywood caused the price of plywood to rise.
D) an increase in the demand for plywood caused the price of plywood to rise.

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Figure 3-15 Figure 3-15    -Refer to Figure 3-15. Which area represents producer surplus when the price is P₁? A)  BCE B)  ACF C)  ABED D)  DEF -Refer to Figure 3-15. Which area represents producer surplus when the price is P₁?


A) BCE
B) ACF
C) ABED
D) DEF

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Which of the following most accurately describes the invisible hand concept?


A) Wise central planning by government is necessary for the efficient use of resources.
B) In a democratic setting, majority rule will result in the efficient use of resources.
C) In a market setting, when individuals pursue their own interests, they simultaneously tend to promote the public interest.
D) In a market setting, when individuals pursue their own interests, they tend to engage in activities that lower the overall economic welfare of society.

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According to the invisible hand principle, competitive markets generally


A) bring the self-interest of individuals into harmony with the efficient allocation of resources, even though centralized planning of economic activities is absent.
B) bring the self-interest of individuals into harmony with the efficient allocation of resources when the behavior of individuals is directed by democratic centralized planning.
C) require central direction; otherwise, the actions of self-interested individuals will conflict with the general interests of society.
D) promote the economic welfare of self-interested producers at the expense of unorganized groups such as consumers and taxpayers.

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Figure 3-24 Figure 3-24    -In Figure 3-24, which of the following is true? A)  At P₃, consumer surplus and producer surplus are equal. B)  At P₂, consumer surplus is greater than producer surplus. C)  At P₁, consumer surplus is greater than producer surplus. D)  At P₁, consumer surplus and producer surplus are equal. -In Figure 3-24, which of the following is true?


A) At P₃, consumer surplus and producer surplus are equal.
B) At P₂, consumer surplus is greater than producer surplus.
C) At P₁, consumer surplus is greater than producer surplus.
D) At P₁, consumer surplus and producer surplus are equal.

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The efficiency of market organization is dependent on which of the following?


A) well-regulated supply and demand
B) the availability of low cost resources and high tariffs on foreign imports
C) competitive markets and well-defined and enforced private property rights
D) Government establishment of the invisible hand principle and the inelasticity of certain goods.

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A terrible storm wipes out 70 percent of the peanut crop. Explain and show graphically how this will affect the market for peanut butter and the market for jelly, a complementary good.

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Higher peanut prices will shift the supp...

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Figure 3-16 Figure 3-16    -Refer to Figure 3-16. When the price is P₂, producer surplus is A)  A. B)  A + C. C)  A + B + C. D)  D + E. -Refer to Figure 3-16. When the price is P₂, producer surplus is


A) A.
B) A + C.
C) A + B + C.
D) D + E.

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If the market price is above the equilibrium price, there will be a tendency for price to decrease, causing


A) the quantity demanded to decrease and the quantity supplied to increase until they are equal.
B) the quantity demanded to increase and the quantity supplied to decrease until they are equal.
C) both quantity demanded and quantity supplied to decrease until they are equal.
D) both quantity demanded and quantity supplied to increase until they are equal.

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Which of the following is a function performed by market prices?


A) Market prices communicate information to buyers and sellers.
B) Market prices coordinate the decisions of buyers and sellers.
C) Market prices motivate entrepreneurs to produce those products that are currently most desired relative to their costs of production.
D) All of the above are functions performed by market prices.

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Use the figure below to answer the following question(s) . Figure 3-14 Use the figure below to answer the following question(s) . Figure 3-14    -Refer to Figure 3-14. The gasoline market was initially in equilibrium at point A)  r. B)  s. C)  t. D)  u. E)  Other things constant, a decrease in the price of crude oil, an important ingredient used to produce gasoline, would likely move the equilibrium in this market toward point -Refer to Figure 3-14. The gasoline market was initially in equilibrium at point


A) r.
B) s.
C) t.
D) u.
E) Other things constant, a decrease in the price of crude oil, an important ingredient used to produce gasoline, would likely move the equilibrium in this market toward point

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