Exam 13: Externalities and Public Goods
Exam 1: Supply, Demand, Balancing Benefits, Costs, Principles and Preferences11 Questions
Exam 2: From Demand to Welfare, Constraints, Choices, and Demand14 Questions
Exam 3: Technology and Production13 Questions
Exam 4: Cost13 Questions
Exam 5: Choices Involving Time and Profit Maximization12 Questions
Exam 6: Behavioral Economics, Choices Involving Strateg and Choices Involving Risk17 Questions
Exam 7: Equilibrium and Efficiency21 Questions
Exam 8: Market Intervention17 Questions
Exam 9: General Equilibrium, Efficiency, and Equity14 Questions
Exam 10: Monopoly30 Questions
Exam 11: Pricing Policies39 Questions
Exam 12: Oligopoly31 Questions
Exam 13: Externalities and Public Goods17 Questions
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Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. What is the socially efficient level of security?

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(Multiple Choice)
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Correct Answer:
A
Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. What is the socially efficient level of security (rounded to the nearest whole number)?

Free
(Multiple Choice)
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Correct Answer:
D
Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. Find the marginal social benefit function.

Free
(Multiple Choice)
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Correct Answer:
C
Your neighbor likes to blast 1970's rock music and the louder the better. The loud music imposes a cost on you because it disrupts your study of economics. Let D stand for the volume of his music in decibels, B for his benefits and C for your costs, where B and C are in dollars. For any given volume, D, your neighbor's benefit is
and your cost is
. With an efficient Pigouvian tax, how much will your neighbor pay in taxes in total?


(Multiple Choice)
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Three hundred paper mills compete in the paper market. The total cost of production (in dollars)for each mill is given by the formula , where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given
by the formula . Finally, annual market demand (in thousands of tons) is given by the
formula . Find the competitive quantity. 



(Multiple Choice)
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Your neighbor likes to blast 1970's rock music and the louder the better. The loud music imposes a cost on you because it disrupts your study of economics. Let D stand for the volume of his music in decibels, B for his benefits and C for your costs, where B and C are in dollars. For any given volume, D, your neighbor's benefit is
and your cost is
. With an efficient Pigouvian tax, what noise level will your neighbor choose?


(Multiple Choice)
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(31)
Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. If each store provided security independently, how much would each store provide (rounded to the nearest whole number)?

(Multiple Choice)
4.8/5
(36)
Your neighbor likes to blast 1970's rock music and the louder the better. The loud music imposes a cost on you because it disrupts your study of economics. Let D stand for the volume of his music in decibels,B for his benefits and C for your costs, where B and C are in dollars. For any given volume, D, your neighbor's benefit is
and your cost is
. What is your marginal cost at the socially efficient noise level?


(Multiple Choice)
4.9/5
(36)
Your neighbor likes to blast 1970's rock music and the louder the better. The loud music imposes a cost on you because it disrupts your study of economics. Let D stand for the volume of his music in decibels, B for his benefits and C for your costs, where B and C are in dollars. For any given volume, D, your neighbor's benefit is
and your cost is
. What is the efficient Pigouvian tax?


(Multiple Choice)
4.9/5
(32)
Three hundred paper mills compete in the paper market. The total cost of production (in dollars) for each mill is given by the formula
, where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given by the formula
. Finally, annual market demand (in thousands of tons) is given by the formula.
. Find the competitive price that would prevail without externalities



(Multiple Choice)
4.9/5
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Three hundred paper mills compete in the paper market. The total cost of production (in dollars) for each mill is given by the formula
, where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given by the formula
. Finally, annual market demand (in thousands of tons) is given by the formula
. Find the function for the marginal social cost.



(Multiple Choice)
4.8/5
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Three hundred paper mills compete in the paper market. The total cost of production (in dollars) for each mill is given by the formula
, where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given by the formula
. Finally, annual market demand (in thousands of tons) is given by the formula.
. Find the efficient quantity that involves no externalities



(Multiple Choice)
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Three hundred paper mills compete in the paper market. The total cost of production (in dollars)for each mill is given by the formula
, where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given by the formula
. Finally, annual market demand (in thousands of tons) is given by the formula
. Find the competitive price.



(Multiple Choice)
4.8/5
(29)
Your neighbor likes to blast 1970's rock music and the louder the better. The loud music imposes a cost on you because it disrupts your study of economics. Let D stand for the volume of his music in decibels, B for his benefits and C for your costs, where B and C are in dollars. For any given volume, D, your neighbor's benefit is
and your cost is
. Find the efficient volume, D.


(Multiple Choice)
4.9/5
(36)
Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. Find the marginal social benefit function.

(Multiple Choice)
4.9/5
(41)
Three hundred paper mills compete in the paper market. The total cost of production (in dollars)for each mill is given by the formula
, where Qmill indicates the mills annual production in thousands of tons. The marginal external cost of a mill's production (in dollars) is given by the formula
. Finally, annual market demand (in thousands of tons) is given by the formula
. Find the market supply curve.



(Multiple Choice)
4.9/5
(43)
Four stores have a problem with theft and security is a public good. Let S stand for the number of personhours of security patrols per week. The marginal benefit of security patrols to each of the stores is given by the formula
. Patrols cost $25 per hour. If each store provided security independently, how much would each store purchase?

(Multiple Choice)
4.9/5
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