Exam 5: Externalities, environmental Policy, and Public Goods

Figure 5-7 Figure 5-7 shows the market for aviation security.Aviation security generates a positive externality because people who are not airline passengers benefit from aviation security. -Refer to Figure 5-7 to answer the following questions. a.In the absence of any government intervention what is the equilibrium level of security that airlines will supply? Denote this level,Q*.Briefly explain why this quantity is not the economically efficient level of aviation security. b.In the diagram,illustrate the presence of positive externalities in the aviation security market.Label any new curve that you draw. c.On your diagram identify the economically efficient level of aviation security.Denote this level Q_e. d.Explain how a government subsidy for the airlines can bring about the economically efficient aviation security level.Be sure to identify the size of the subsidy.

Which of the following statements about the economically efficient level of air pollution is correct?

Which of the following is an example of a Pigovian tax?

The efficient output level of a public good occurs where the

Suppose a negative externality exists in a market.If transactions costs are low and parties are willing to bargain then,according to the Coase theorem,

The social cost of cutting trees for firewood in a government forest is

The social cost of a good or service is the cost borne by the producer.

If the United States and other developed nations pay the cost of reducing public emissions,developing nations such as China could benefit from the reduction while not contributing to it.In this sense,one can think of reducing carbon emissions as being like a

Congressman Murphy made the following proposal: "We should establish policies that completely eliminate air pollution.This is the only way to ensure that none of our citizens suffers the negative effects of air pollution." If Congressman Murphy's proposal was adopted and all forms of air pollution were eliminated,which of the following would be true?

Figure 5-3 Figure 5-3 shows the market for measles vaccinations,a product whose use generates positive externalities. -Refer to Figure 5-3.What is the economically efficient output level?

An externality is an example of a market failure.

An externality

Figure 5-3 Figure 5-3 shows the market for measles vaccinations,a product whose use generates positive externalities. -Refer to Figure 5-3.Why is there a deadweight loss?

An important difference between the demand for a private good and the demand for a public good is that

What are transactions costs? Why do transactions costs create difficulties in finding a private solution to the problem of pollution?

A positive externality results when

A.C.Pigou argued that the government can deal with a positive externality in consumption by giving consumers a subsidy equal to the value of the externality.

Pollution is an example of a

A free market fails when

A public good is