4. Understanding different policy options to correct for negativeexternalities Carbon dioxide emissions have been linked to climate change. The following table lists some potential regulations targeting the amount of airborne carbon dioxide. For each policy listed, identify whether it is a command-and-control policy (regulation), tradable permit system, corrective subsidy, or corrective tax. Public Policy The government agrees to reimburse all factories that purchase new, emissions-reducing technology in order to provide cleaner air. The government limits total carbon-dioxide emissions by all factories to 240,000 tons per year. Each individual factory is given the right to emit 220 tons of carbon dioxide, and factories may buy and sell these rights in a marketplace. Command- and- Control Policy Tradable Permit System Corrective Corrective Subsidy Tax

4. Understanding different policy options to correct for negativeexternalities Carbon dioxide emissions have been linked to climate change. The following table lists some potential regulations targeting the amount of airborne carbon dioxide. For each policy listed, identify whether it is a command-and-control policy (regulation), tradable permit system, corrective subsidy, or corrective tax. Public Policy The government agrees to reimburse all factories that purchase new, emissions-reducing technology in order to provide cleaner air. The government limits total carbon-dioxide emissions by all factories to 240,000 tons per year. Each individual factory is given the right to emit 220 tons of carbon dioxide, and factories may buy and sell these rights in a marketplace. Command- and- Control Policy Tradable Permit System Corrective Corrective Subsidy Tax

Principles of Microeconomics

7th Edition

ISBN:9781305156050

Author:N. Gregory Mankiw

Publisher:N. Gregory Mankiw

Chapter10: Externalities

Section: Chapter Questions

Problem 5PA

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How can high-income countries benefit from covering much of the cost of reducing pollution created by low-income countries?
A country called Sherwood is very heavily covered with a forest of 50,000 trees. There are proposals to clear some of Sherwoods forest and grow com, but obtaining this additional economic output will have an environmental cost from reducing the number of trees. Table 12.11 shows possible combinations of economic output and environmental protection. Sketch a graph of a production possibility frontier with environmental quality on the horizontal axis, measured by the number of trees, and the quantity of economic output, measured in corn, on the vertical axis. Which choices display productive efficiency? How can you tell? Which choices show allocative efficiency? How can you tell? In the choice between T and R, decide which one is better. Why? In the choice between T and S, can you say which one is better, and why? If you had to guess, which choice would you think is more likely to represent a command-and-control environmental policy and which choice is more likely to represent a market-oriented environmental policy, choice Q or S? Why?
What arguments d0 low-income countries make in international discussions of global environmental clean-up?
Classify the following pollution-control policies as command-and-control or market incentive based. A state emissions tax on the quantity of carbon emitted by each firm. The federal government requires domestic auto companies to improve car emissions by 2020. The EPA sets national standards for water quality. A city sells permits to films that allow them to emit a specified quantity of pollution. The federal government pays fishermen to preserve salmon.
Name two public goods and explain why they are public goods.
Suppose you want to put a dollar value on the external costs of carbon emissions from a power plant. What information or data would you obtain to measure the external [not social] cost?
In the Land of Purity, there is only one form of pollution, called gunk. Table 12.14 shows possible combinations of economic output and reduction of gunk, depending on what kinds of environmental regulations you choose. Sketch a graph of a production possibility frontier with environmental quality on the horizontal axis, measured by the percentage reduction of gunk, and with the quantity of economic output on the vertical axis. Which choices display productive efficiency? How can you tell? Which choices show allocative efficiency? How can you tell? In the choice between K and L, can you say which one is better and why? In the choice between K. and N, can you say which one is better, and why? If you had to guess, which choice would you think is move likely to represent a command-and-control environmental policy and which choice is more likely to represent a market-oriented environmental policy, choice L or M? Why?
Can extreme levels of pollution hurt the economic development of a high-income country? Why or why not?
Consider two ways of protecting elephants from poachers in African countries. In one approach, the government sets up enormous national parks that have sufficient habitat for elephants to thrive and forbids all local people to enter the parks or to injure either the elephants or their habitat in any way. In a second approach, the government sets up national parks and designates 10 villages around the edges of the park as official tourist centers that become places where tourists can stay and bases for guided tours inside the national park. Consider the different incentives of local villagers-who often are very poor-in each of these plans. Which plan seems more likely to help the elephant population?
Refer to Table 12.2. The externality created by the refrigerator production was 100. However, once we accounted for both the private and additional external costs, the market price increased by only 50. If the external costs were 100 why did the price only increase by 50 when we accounted for all costs?
What are the economic tradeoffs between low-income and high-income countries in international conferences on global environmental damage?
Suppose a city releases 16 million gallons of raw sewage into a nearby lake. Table 12.8 shows the total costs of cleaning up the sewage to different levels, together with the total benefits of doing so. (Benefits include environmental, recreational, health, and industrial benefits.) Using the information in Table 12.8, calculate the marginal costs and marginal benefits of reducing sewage emissions for this city. See Production, Costs and Industry Structure if you need a refresher on how to calculate marginal costs. What is the optimal level of sewage for this city? Why not just pass a law that films can emit zero sewage? After all, the total benefits of zero emissions exceed the total costs.