Question

Voluntary environmental programs were extremely popular in the United States, Europe, and Japan in the 1990 s. Part of their popularity stems from the fact that these programs do not require legislative authority, which is often hard to obtain. The $33 / 50$ program started by the Environmental Protection Agency (EPA) is an example of such a program. With this program, the EPA attempted to reduce industrial emissions of 17 toxic chemicals by providing information on relatively inexpensive methods of pollution control. Companies were asked to voluntarily commit to reducing emissions from their 1988 levels by $33 \%$ by 1992 and by $50 \%$ by $1995 .$ The program actually met its second target by 1994 a. As in Figure $16-3,$ draw marginal benefit curves for pollution generated by two plants, $A$ and $B$, in 1988 . Assume that without government intervention, each plant emits the same amount of pollution, but that at all levels of pollution less than this amount, plant A's marginal benefit of polluting is less than that of plant $\mathrm{B}$. Label the vertical axis "Marginal benefit to individual polluter" and the horizontal axis "Ouantity of pollution emissions." Mark the quantity of pollution each plant produces without government action. b. Do you expect the total quantity of pollution before the program was put in place to have been less than or more than the optimal quantity of pollution? Why? c. Suppose the plants whose marginal benefit curves you depicted in part a were participants in the $33 / 50$ program. In a replica of your graph from part a, mark targeted levels of pollution in 1995 for the two plants. Which plant was required to reduce emissions more? Was this solution necessarily efficient? d. What kind of environmental policy does the $33 / 50$ program most closely resemble? What is the main shortcoming of such a policy? Compare it to two other types of environmental policies discussed in this chapter.

Name: Problem 3, Chapter 16: Economics
Uploaded: 2022-02-28T08:41:31-08:00
Duration: 2 min 45 s
Channel: Jennifer Stoner

Voluntary environmental programs were extremely popular in the United States, Europe, and Japan in the 1990 s. Part of their popularity stems from the fact that these programs do not require legislative authority, which is often hard to obtain. The $33 / 50$ program started by the Environmental Protection Agency (EPA) is an example of such a program. With this program, the EPA attempted to reduce industrial emissions of 17 toxic chemicals by providing information on relatively inexpensive methods of pollution control. Companies were asked to voluntarily commit to reducing emissions from their 1988 levels by $33 \%$ by 1992 and by $50 \%$ by $1995 .$ The program actually met its second target by 1994
a. As in Figure $16-3,$ draw marginal benefit curves for pollution generated by two plants, $A$ and $B$, in 1988 . Assume that without government intervention, each plant emits the same amount of pollution, but that at all levels of pollution less than this amount, plant A's marginal benefit of polluting is less than that of plant $\mathrm{B}$. Label the vertical axis "Marginal benefit to individual polluter" and the horizontal axis "Ouantity of pollution emissions." Mark the quantity of pollution each plant produces without government action.
b. Do you expect the total quantity of pollution before the program was put in place to have been less than or more than the optimal quantity of pollution? Why?
c. Suppose the plants whose marginal benefit curves you depicted in part a were participants in the $33 / 50$ program. In a replica of your graph from part a, mark targeted levels of pollution in 1995 for the two plants. Which plant was required to reduce emissions more? Was this solution necessarily efficient?
d. What kind of environmental policy does the $33 / 50$ program most closely resemble? What is the main shortcoming of such a policy? Compare it to two other types of environmental policies discussed in this chapter.

Economics

Paul Krugman, Robin… 4th Edition

Chapter 16, Problem 3

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Solved by Expert Jennifer Stoner

02/28/2022

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The vertical axis represents the "Marginal benefit to individual polluter" and the horizontal axis represents the "Quantity of pollution emissions". Without government intervention, each plant emits the same amount of pollution, but at all levels of pollution less Show more…

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Voluntary environmental programs were extremely popular in the United States, Europe, and Japan in the 1990 s. Part of their popularity stems from the fact that these programs do not require legislative authority, which is often hard to obtain. The $33 / 50$ program started by the Environmental Protection Agency (EPA) is an example of such a program. With this program, the EPA attempted to reduce industrial emissions of 17 toxic chemicals by providing information on relatively inexpensive methods of pollution control. Companies were asked to voluntarily commit to reducing emissions from their 1988 levels by $33 \%$ by 1992 and by $50 \%$ by $1995 .$ The program actually met its second target by 1994 a. As in Figure $16-3,$ draw marginal benefit curves for pollution generated by two plants, $A$ and $B$, in 1988 . Assume that without government intervention, each plant emits the same amount of pollution, but that at all levels of pollution less than this amount, plant A's marginal benefit of polluting is less than that of plant $\mathrm{B}$. Label the vertical axis "Marginal benefit to individual polluter" and the horizontal axis "Ouantity of pollution emissions." Mark the quantity of pollution each plant produces without government action. b. Do you expect the total quantity of pollution before the program was put in place to have been less than or more than the optimal quantity of pollution? Why? c. Suppose the plants whose marginal benefit curves you depicted in part a were participants in the $33 / 50$ program. In a replica of your graph from part a, mark targeted levels of pollution in 1995 for the two plants. Which plant was required to reduce emissions more? Was this solution necessarily efficient? d. What kind of environmental policy does the $33 / 50$ program most closely resemble? What is the main shortcoming of such a policy? Compare it to two other types of environmental policies discussed in this chapter.

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Key Concepts

Marginal Benefit Curves

Marginal benefit curves represent the incremental benefit obtained from each additional unit of an activity—in this case, pollution. They capture how much benefit, such as cost savings, a firm derives from emitting an extra unit of pollution. Differences in these curves among firms indicate that at lower levels of pollution, some firms derive less benefit from additional emissions compared to others, highlighting the potential for more efficient reductions if reductions are allocated according to these marginal benefits.

Optimal Pollution Level

The optimal pollution level is achieved when the social marginal benefit of pollution equals its social marginal cost. In a situation without government intervention, firms may pollute beyond this optimal level because they do not internalize the external costs imposed on society. Understanding this concept is crucial because it explains why government policies aim to reduce pollution to levels that are more socially efficient.

Voluntary Environmental Programs

Voluntary environmental programs are policy approaches that encourage firms to reduce pollution through non-binding commitments rather than through regulatory mandates. These programs rely on self-regulation and information provision, which can reduce implementation costs and political barriers. However, they often lack enforceability, which may lead to uneven outcomes and challenges in achieving an efficient allocation of pollution abatement among firms.

Efficiency of Pollution Reduction

Efficiency in pollution reduction refers to achieving the desired environmental outcomes at the lowest possible cost. When firms have different marginal benefits from pollution, allocating reduction targets uniformly (such as a fixed percentage cut) may lead to inefficiencies because the costs of abatement are not equalized across firms. More efficient policies would tailor reduction requirements based on the marginal cost or benefit of pollution abatement for each firm.

Comparison of Environmental Policy Instruments

Environmental policy instruments include voluntary programs, command-and-control regulations, and market-based mechanisms such as taxes or tradable permits. Voluntary programs, while more politically acceptable and easier to implement, typically suffer from issues of enforceability and efficiency. In contrast, command-and-control regulations impose uniform standards and are legally enforceable, but they can be rigid and economically inefficient. Market-based instruments provide flexibility through economic incentives, encouraging firms to reduce pollution where it is cheapest to do so, and often lead to a more cost-effective distribution of abatement efforts across firms.

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