经济学原理 微观 第五版测试题库 (07)

Chapter 7/Consumers, Producers, and the Efficiency of Markets ? 481

85. Suppose televisions are a normal good and buyers of televisions experience a decrease in income. As a result,

consumer surplus in the television market a. decreases. b. is unchanged. c. increases.

d. may increase, decrease, or remain unchanged.

ANS: D

NAT: Analytic MSC: Applicative

DIF: 3 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

86. Motor oil and gasoline are complements. If the price of motor oil increases, consumer surplus in the gasoline

market

a. decreases. b. is unchanged. c. increases.

d. may increase, decrease, or remain unchanged.

ANS: D

NAT: Analytic MSC: Applicative

DIF: 3 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

87. Dallas buys strawberries, and he would be willing to pay more than he now pays. Suppose that Dallas has a

change in his tastes such that he values strawberries more than before. If the market price is the same as before, then

a. Dallas's consumer surplus would be unaffected. b. Dallas's consumer surplus would increase. c. Dallas's consumer surplus would decrease.

d. Dallas would be wise to buy fewer strawberries than before.

ANS: B

NAT: Analytic MSC: InterpretiveFigure 7-1

PriceDIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

AP2BP1CDFDemandQ2Q1Quantity88. Refer to Figure 7-1. When the price is P1, consumer surplus is

a. A. b. A+B. c. A+B+C. d. A+B+D.

ANS: C

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

482 ? Chapter 7/Consumers, Producers, and the Efficiency of Markets 89. Refer to Figure 7-1. When the price is P2, consumer surplus is

a. A. b. B. c. A+B. d. A+B+C.

ANS: A

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

90. Refer to Figure 7-1. When the price rises from P1 to P2, consumer surplus

a. increases by an amount equal to A. b. decreases by an amount equal to B+C. c. increases by an amount equal to B+C. d. decreases by an amount equal to C.

ANS: B

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

91. Refer to Figure 7-1. Area C represents the

a. decrease in consumer surplus that results from a downward-sloping demand curve.

b. consumer surplus to new consumers who enter the market when the price falls from P2 to P1. c. increase in producer surplus when quantity sold increases from Q2 to Q1.

d. decrease in consumer surplus to each consumer in the market when the price increases from P1 to

P2.

ANS: B

NAT: Analytic MSC: Applicative

DIF: 3 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

92. Refer to Figure 7-1. When the price rises from P1 to P2, which of the following statements is not true?

a. The buyers who still buy the good are worse off because they now pay more.

b. Some buyers leave the market because they are not willing to buy the good at the higher price. c. Buyers place a higher value on the good after the price increase. d. Consumer surplus in the market falls.

ANS: C

NAT: Analytic MSC: Applicative

DIF: 3 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

Chapter 7/Consumers, Producers, and the Efficiency of Markets ? 483

Figure 7-2

PriceABP1DFGCP2DemandQ1Q2Quantity93. Refer to Figure 7-2. Which area represents consumer surplus at a price of P1?

a. ABD b. ACG c. BCDF d. DFG

ANS: A

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

94. Refer to Figure 7-2. Which area represents consumer surplus at a price of P2?

a. ABD b. ACG c. BCDF d. DFG

ANS: B

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

95. Refer to Figure 7-2. Which area represents the increase in consumer surplus when the price falls from P1 to

P2?

a. ABD b. ACG c. DFG d. BCGD

ANS: D

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

96. Refer to Figure 7-2. When the price falls from P1 to P2, which area represents the increase in consumer

surplus to existing buyers? a. ABD b. ACG c. BCFD d. DFG

ANS: C

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

484 ? Chapter 7/Consumers, Producers, and the Efficiency of Markets

97. Refer to Figure 7-2. When the price falls from P1 to P2, which area represents the increase in consumer

surplus to new buyers entering the market? a. ABD b. ACG c. BCDF d. DFG

ANS: D

NAT: Analytic MSC: ApplicativeFigure 7-3

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

98. Refer to Figure 7-3. If the price of the good is $6, then consumer surplus is

a. $4. b. $6. c. $8. d. $10.

ANS: C

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

99. Refer to Figure 7-3. If the price of the good is $5, then consumer surplus is

a. $9. b. $11. c. $13. d. $16.

ANS: B

NAT: Analytic MSC: Applicative

DIF: 2 REF: 7-1 LOC: Supply and demand

TOP: Consumer surplus

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