Temporary sequestration credits : an instrument for carbon bears
Temporary crediting of carbon storage is a proposed instrument that allows entities with emissions reductions obligations to defer some obligations for a fixed period of time. This instrument provides a means of guaranteeing the environmental integrity of a carbon sequestration project. But because the user of the temporary credit takes on the liability of renewing it, or replacing it with a permanent credit, the temporary credit must sell at a discount compared with a permanent credit. The authors show that this discount depends on the expected change in price of a permanent credit. Temporary credits have value only if restrictions on carbon emissions are not expected to tighten substantially. The intuition is illustrated by assessing the value of a hypothetical temporary sulfur dioxide sequestration credit using historical data on actual sulfur dioxide allowance prices.
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- Roger A. Sedjo & Gregg Marland, 2003. "Inter-trading permanent emissions credits and rented temporary carbon emissions offsets: some issues and alternatives," Climate Policy, Taylor & Francis Journals, vol. 3(4), pages 435-444, December.