经济学原理对应练习 10(3)

surrounding neighborhoods.

ANS: B PTS: 1 DIF: 3 REF: 10-1 TOP: Negative externalities MSC: Interpretive

Figure 10-4

51. Refer to Figure 10-4. If this market is currently producing at Q1, then total economic well-being would increase if

output

a. increased to Q2. b. increased to Q3. c. increased to Q4. d. stayed at Q1. ANS: A PTS: 1 DIF: 1 REF: 10-1 TOP: Negative externalities MSC: Analytical

398 ? Chapter 10/Externalities

52. Refer to Figure 10-4. This market is characterized by

a. government intervention. b. a positive externality. c. a negative externality.

d. None of the above is correct. ANS: C PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical

53. Refer to Figure 10-4. Without government intervention, the equilibrium quantity would be

a. Q1. b. Q2. c. Q3. d. Q4. ANS: C PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical 54. Refer to Figure 10-4. The socially optimal quantity would be

a. Q1. b. Q2. c. Q3. d. Q4. ANS: B PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical 55. Refer to Figure 10-4. This market

a. has no need for government intervention. b. would benefit from a tax on the product.

c. would benefit from a subsidy for the product. d. would maximize total well-being at Q3. ANS: B PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical

56. Refer to Figure 10-4. If this market is currently producing at Q4, then total economic well-being would increase if

output

a. increased beyond Q4. b. decreased to Q2. c. decreased to zero. d. stayed at Q4. ANS: B PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical 57. Refer to Figure 10-4. If all external costs were internalized, then the market’s equilibrium output would be

a. Q1. b. Q2. c. Q3. d. Q4. ANS: B PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical 58. Refer to Figure 10-4. If this market currently produces Q2, total economic well-being would be maximized if

a. production decreased to Q1. b. production increased to Q3.

c. this product were no longer produced. d. output stayed at Q2. ANS: D PTS: 1 DIF: 2 REF: 10-1 TOP: Negative externalities MSC: Analytical