Economics of additionality for environmental services from agriculture

John K. Horowitz and Richard Just

Journal of Environmental Economics and Management, 2013, vol. 66, issue 1, 105-122

Abstract: We present a model of additionality for offsets sold from agriculture to industrial sector sources regulated by cap-and-trade. We consider a potential policy where agricultural sources would not be covered by cap-and-trade requirements but would be eligible to receive offsets whenever their emissions fall below a policy-specified baseline, and would not be penalized for emissions above their baseline. Major results are: (1) The optimal baseline should be set above the average counterfactual emissions of participating farms, an unexpected result that has been missing from the literature. (2) The optimal trading ratio should be greater than one (a ton of offsets counts for less than a ton of covered emissions) even under emissions certainty. Previous research has justified such trading ratios by emissions uncertainty. (3) Emissions uncertainty does not justify a change in the baseline if the accompanying emissions model is unbiased. (4) An optimal combination of policies is to subsidize offsets and tighten the baseline relative to the no-subsidy case.

Keywords: Additionality; Cap-and-trade; Offsets; Environmental regulation; Trading ratio (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (23)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jeeman:v:66:y:2013:i:1:p:105-122

DOI: 10.1016/j.jeem.2013.04.002

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