曼昆《经济学原理》(微观)第五版测试题库 (05)

308 ? Chapter 5 /Elasticity and Its Application

Figure 5-2

PricePaPbD1D3D2Quantity59. Refer to Figure 5-2. As price falls from Pa to Pb, which demand curve represents the most elastic demand?

a. D1 b. D2 c. D3

d. All of the above are equally elastic.

ANS: A

NAT: Analytic MSC: Applicative

DIF: 2

LOC: Elasticity

REF: 5-1

TOP: Price elasticity of demand

60. Refer to Figure 5-2. As price falls from Pa to Pb, we could use the three demand curves to calculate three

different values of the price elasticity of demand. Which of the three demand curves would produce the smallest elasticity? a. D1 b. D2 c. D3

d. All of the above are equally elastic.

ANS: C

NAT: Analytic MSC: Applicative

DIF: 2

LOC: Elasticity

REF: 5-1

TOP: Price elasticity of demand

Table 5-1 Good Price Elasticity of Demand A 1.3 B 2.1 61. Refer to Table 5-1. Which of the following is consistent with the elasticities given in Table 5-2? a. A is a luxury and B is a necessity.

b. A is a good several years after a price increase, and B is that same good several days after the price

increase.

c. A is a Kit Kat bar and B is candy. d. A has fewer substitutes than B.

ANS: D

NAT: Analytic MSC: Analytical

DIF: 3

LOC: Elasticity

REF: 5-1

TOP: Price elasticity of demand

Chapter 5 /Elasticity and Its Application ? 309

62. Refer to Table 5-1. Which of the following is consistent with the elasticities given in Table 5-2?

a. A is grapes and B is fruit. b. A is T-shirts and B is socks.

c. A is train tickets before cars were invented, and B is train tickets after cars were invented. d. A is diamond

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