Policy integration as a success factor for emissions trading

Area of Science:

• Environmental policy
• Climate change economics
• Greenhouse gas emissions management

Background:

• Emissions trading is a key climate policy tool, but its limitations necessitate integration.
• National climate policies often involve a mix of instruments, including taxes and voluntary agreements.
• Transboundary transactions can increase the efficiency of emissions trading systems.

Purpose of the Study:

• To assess optimal integration strategies for emissions trading within national climate policy mixes.
• To evaluate the efficiency gains from incorporating transboundary transactions into emissions trading.
• To analyze case studies of emissions trading implementation in the UK, Denmark, the EU, and Norway.

Main Methods:

• Comparative case study analysis of implemented and planned emissions trading systems.
• Examination of policy integration approaches in different national and supranational contexts.
• Assessment of the interplay between emissions trading and other policy instruments like carbon taxes and subsidies.

Main Results:

• Emissions trading alone is insufficient due to monitoring and allowance transfer costs.
• The UK integrated emissions trading with an energy tax, voluntary agreements, and subsidies.
• Denmark's trading was limited and not integrated with its emission tax; EU and Norway schemes have broad scope and international integration.
• Policy integration, particularly with transboundary transactions, enhances emissions trading efficiency.

Conclusions:

• Emissions trading is most effective when integrated into a broader climate policy mix.
• Successful integration requires careful consideration of interactions with other instruments and allowance for transboundary transactions.
• Policy integration is crucial for maximizing the efficiency improvements offered by emissions trading in climate change mitigation.