A) Economists have two roles: scientist and policy adviser.
B) As scientists, economists develop and test theories to explain the world around them.
C) Economic policies rarely have effects that their architects did not intend or anticipate.
D) As policy advisers, economists use their theories to help change the world for the better.
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Essay
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Multiple Choice
A) raise both the price buyers pay and the effective price sellers receive.
B) raise the price buyers pay and lower the effective price sellers receive.
C) lower the price buyers pay and raise the effective price sellers receive.
D) lower both the price buyers pay and the effective price sellers receive.
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Essay
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Multiple Choice
A) nonbinding price floor is imposed on a market.
B) nonbinding price floor is removed from a market.
C) binding price floor is imposed on a market.
D) binding price floor is removed from a market.
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Essay
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Multiple Choice
A) demand curve upward by the amount of the tax.
B) demand curve downward by the amount of the tax.
C) supply curve upward by the amount of the tax.
D) supply curve downward by the amount of the tax.
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Multiple Choice
A) Taxes levied on sellers and taxes levied on buyers are not equivalent.
B) A tax places a wedge between the price that buyers pay and the price that sellers receive.
C) The wedge between the buyers' price and the sellers' price is the same, regardless of whether the tax is levied on buyers or sellers.
D) In the new after-tax equilibrium, buyers and sellers share the burden of the tax.
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Multiple Choice
A) no surplus.
B) a surplus of 20 units.
C) a surplus of 30 units.
D) a surplus of 40 units.
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Multiple Choice
A) buyers will bear a greater burden of the tax than the sellers.
B) sellers will bear a greater burden of the tax than the buyers.
C) buyers and sellers are likely to share the burden of the tax equally.
D) buyers and sellers will not share the burden equally, but it is impossible to determine who will bear the greater burden of the tax without more information.
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True/False
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True/False
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Multiple Choice
A) causes a shortage of 40 units.
B) is not binding, because it is set above the equilibrium price.
C) causes a shortage of 45 units.
D) causes a shortage of 85 units.
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Multiple Choice
A) quantity demanded decreases.
B) quantity supplied increases.
C) there is a surplus.
D) All of the above are correct.
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Multiple Choice
A) upward shift of the demand curve.
B) downward shift of the demand curve.
C) movement up and to the left along the demand curve.
D) movement down and to the right along the demand curve.
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Multiple Choice
A) 0 units.
B) 2 units.
C) 5 units.
D) 7 units.
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Essay
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Multiple Choice
A) a binding price floor
B) a binding price ceiling
C) a tax on the good
D) More than one of the above is correct.
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Multiple Choice
A) falls more heavily on the side of the market that is more elastic.
B) falls more heavily on the side of the market that is less elastic.
C) falls more heavily on the side of the market that is closest to unit elastic.
D) is distributed independently of the relative elasticities of supply and demand.
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Multiple Choice
A) above the equilibrium price, causing a shortage.
B) above the equilibrium price, causing a surplus.
C) below the equilibrium price, causing a shortage.
D) below the equilibrium price, causing a surplus.
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