Evaluating a Proposed Environmental Policy

A government imposes a per-unit tax on a chemical company to address the pollution it generates. After the policy is enacted, economic analysis reveals that while pollution has decreased, it still exceeds the socially optimal level. What is the most probable reason for this specific outcome?

Analyzing Policy Implementation Failure

A government's decision to implement a per-unit tax on a polluting firm is sufficient to guarantee a reduction in the externality to the socially optimal level, provided the firm complies with the tax.

A government attempts to correct a market failure caused by a negative externality, but the policy does not achieve the socially optimal outcome. Match each scenario of policy failure with the most likely prerequisite that was not met.

Evaluating a Congestion Charge Policy

A city government aims to reduce traffic congestion by implementing a toll on a major bridge during peak hours. The toll amount was calculated based on a study of commuters' willingness to pay to save time. After six months, congestion is only slightly reduced, and public transit ridership has not increased as expected. A follow-up investigation reveals that the initial study failed to account for the lack of viable public transit alternatives for a large segment of commuters, making their demand for driving much less sensitive to price changes than originally estimated. Which prerequisite for effective government intervention was most clearly absent in the initial policy design?

Analyzing Policy Failure Due to Political Factors

A government passes a law to limit pollution from a factory that is damaging a local ecosystem. The pollution limit is based on precise scientific data that accurately calculates the social cost of the pollution. The policy has widespread public and political support. Despite these favorable conditions, monitoring a year later shows that the pollution levels have not decreased. Which of the following is the most likely reason for the policy's failure to achieve its goal?

A government, equipped with precise data on the social costs of industrial pollution and a highly competent enforcement agency, enacts a pollution tax. However, the final tax rate is set far below the level required to achieve the socially optimal outcome, following a period of intense lobbying by the industry affected. This policy's failure to correct the market failure is primarily due to a lack of:

A government's decision to implement a per-unit tax on a polluting firm is sufficient to guarantee a reduction in the externality to the socially optimal level, provided the firm complies with the tax.