2012年-CEPS欧洲政策研究中心_The_Political_Economy_of_Environmental_Taxation_in_European_Countries_39页_250kb

Summary of The Political Economy of Environmental Taxation in European Countries

Core Content

This report explores the political economy of environmental taxation in European countries, focusing on how these systems are designed, implemented, and evaluated in the context of climate change mitigation. It examines the effectiveness of environmental taxes in reducing greenhouse gas (GHG) emissions, their impact on economic efficiency, competitiveness, and equity, as well as the political dynamics that shape their design and adoption.

Main Viewpoints

• Environmental Taxation as a Policy Tool: Environmental taxation is one of several instruments used to address market failures related to pollution. It is often contrasted with regulatory approaches like command and control measures.
• Theoretical Basis: Environmental taxes aim to internalise the negative externalities of pollution by setting prices that reflect environmental damage. This is based on the Pigouvian approach, which suggests that taxes can correct market distortions.
• Operational Challenges: While theoretically sound, environmental taxation faces challenges in practice due to imperfect information, uncertainty in damage costs, and difficulty in determining optimal tax rates.
• Political Dynamics: The design and adoption of environmental taxes are influenced by political feasibility rather than purely economic efficiency. Member states are hesitant to introduce such taxes due to fears of loss of fiscal autonomy and competitiveness concerns.
• Fiscal Neutrality and Revenue Recycling: Many environmental taxes are introduced with the goal of fiscal neutrality, offsetting new taxes with reductions in other taxes. However, this approach can lead to inefficiencies and distortions. Revenue recycling is used to address these issues, but it is often met with political resistance and inefficient allocation of funds.

Key Information

1. Introduction

• The Kyoto Protocol (2005) spurred increased domestic efforts in European countries to meet GHG emission targets.
• Environmental taxation is considered a viable policy instrument alongside emissions trading, but its actual performance has not been systematically assessed.
• The report evaluates environmental taxation systems using pre-determined criteria such as impact on costs, competitiveness, environmental effectiveness, and revenue recycling.

2. Emergence of Environmental Tax Debate

• Traditional EU approaches to pollution control included command and control measures and public investment.
• CO₂ emissions have not declined significantly compared to other pollutants like SO₂ and CH₄, prompting interest in tax-based solutions.
• Norway, despite not being an EU member, is included in the analysis due to its early adoption of environmental tax measures.

3. Theoretical Merits of Taxation

• Environmental taxes can correct market failures, reduce administrative costs, and stimulate innovation.
• They are expected to encourage technological change and improve dynamic efficiency.
• Taxes can also provide revenue for the government, which can be recycled to support environmental investments or compensate for distributional impacts.

4. Environmental Taxation in Practice

• Environmental taxes and charges are often interchangeable in terminology, but distinctions exist based on revenue use.
• Taxes are typically targeted at producers or consumers, with different implications for distributional effects, competitiveness, and effectiveness.
• CO₂ taxation is a major focus, with examples such as carbon taxes, energy taxes, and taxes on process emissions.
• Taxes can be combined with other instruments like voluntary agreements, standards, and subsidies to enhance their effectiveness.

5. Criteria for Evaluation

• Environmental taxes should be assessed on economic, environmental, and social impacts.
• Fiscal neutrality is a common goal, but its empirical validation is lacking.
• Competitiveness effects are a major concern, especially in open markets.
• Equity issues are significant, as environmental taxes can be regressive, disproportionately affecting low-income groups.

6. Assessing Environmental Taxation in the EU

• Environmental taxes have a limited impact on competitiveness and distributional effects.
• Revenue recycling is used to offset negative impacts, but its effectiveness is debated.
• The double dividend hypothesis, which suggests environmental and economic benefits from tax reform, has not been empirically proven.
• The optimal instrument mix is increasingly seen as necessary to address complex environmental and economic challenges.

7. Key Findings and Policy Implications

• Environmental taxation systems are often politically feasible rather than theoretically optimal.
• Fiscal neutrality and revenue recycling are important for political acceptability.
• Combining taxation with other instruments (e.g. tradable permits, subsidies, and voluntary agreements) is essential for effective policy implementation.
• Uncertainty in environmental damage costs and market responses to taxes remain major challenges.
• Further research and ex-post evaluations are needed to fully assess the performance of environmental taxation.

Conclusion

The report highlights the complex interplay between economic theory, political feasibility, and practical implementation in the design of environmental taxation systems in Europe. While taxation offers potential benefits in terms of efficiency and innovation, its adoption and effectiveness are constrained by political dynamics, economic considerations, and social equity concerns. The policy mix is increasingly seen as the most effective approach, combining taxation with other instruments to achieve environmental and economic goals.