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Environmental Values

Cost-Benefit Analysis, Incommensurability and Rough Equality

Jonathan Aldred

Environmental Values 11(2002): 27-47. doi: 10.3197/096327102129340966

A recurring question about cost-benefit analysis (CBA) concerns its scope. CBA is a decision-making method frequently employed in environmental policy-making, in which things which have no market price are treated as if they were commodities. They are given a monetary value, a form of price. But it is widely held that some things cannot be meaningfully priced, thus substantially limiting the scope of CBA. The aim of this paper is to test some aspects of this broad claim, focusing on problems of incomparability and incommensurability. In particular, the role of rough equality as a putative form of comparison is investigated. I argue that while an assessment of the full significance of rough equality for practical decision-making awaits resolution of a number of important technical questions, it does not provide a strong enough form of comparison to support CBA.

KEYWORDS: environmental valuation, cost-benefit analysis, incomparability, incommensurability, commodification, rough equality

CITATIONS in other Environmental Values articles:

Realms of Value: Conflicting Natural Resource Values and Incommensurability. Sarah Fleisher Trainor

Natura economica in Environmental ValuationKatrine Soma

Non-Market Coordination: Towards an Ecological Response to Austrian Economics. Dan Greenwood

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