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Mechanisms for Linking Emissions Trading Schemes

Publication

Mechanisms for Linking Emissions Trading Schemes

Linking emissions trading schemes has attracted interest as a means of reducing costs and expanding market size and liquidity. A number of studies have explored the compatibility of schemes, although little attention has been devoted to the implementation of links. In an article published in the peer-reviewed journal Climate Policy, Michael Mehling, President of the Ecologic Institute in Washington DC, and Erik Haites, former IPCC lead author, identify mechanisms required for the establishment and operation of a trading link over time.

Most trading schemes provide for unilateral recognition of certified emission reductions (CERs) and occasionally other units. Restrictions on the types of units and the quantity that can be used are common. Unilateral links can be implemented through adoption of a schedule that lists the units accepted together with limits on, and adjustments to, imported units.

Only a bilateral link yields the full benefits of linking trading schemes. No bilateral links have been established yet, but the number of schemes interested in such links is growing. Implementing such a link through a binding agreement affords participants considerable certainty. However, it entails cumbersome adoption procedures as well as legal and procedural constraints. Reciprocal unilateral links, possibly accompanied by an informal agreement, are easier to implement and offer more flexibility. Economic benefits will not differ significantly from a bilateral linking agreement.


Citation

Mehling, Michael and Erik Haites 2009: "Mechanisms for linking emissions trading schemes". Climate Policy, Vol. 9, No. 2, 169-184.

Language
English
Author(s)
Erik Haites
Publisher
  • earthscan, United States
Year
2009
Published In
Journal Website: Climate Policy , Vol.9 | Issue 2
ISSN
1469-3062 (Print), 1752-7457 (Online)
Dimension
15 pp.
Table of Contents

1. Introduction
2. Types of links
2.1 How can schemes be linked?
2.2 Linking and the Kyoto Protocol
3. Links between existing greenhouse gas emissions trading schemes
4. Possible future links
5. Possible linking mechanisms
5.1 Designing a linking mechanism: scope and purpose
5.2 Unilateral links
5.3 Bilateral links
5.3.1 Binding bilateral links
5.3.2 Multiple unilateral links
5. Conclusions

Keywords
climate, emissions trading, CDM, carbon market, linking,