Journal
ECOLOGICAL ECONOMICS
Volume 63, Issue 2-3, Pages 616-626Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ecolecon.2007.01.002
Keywords
environmental accounting; ecosystem services; index theory; nonmarket valuation
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This paper advocates consistently defined units of account to measure the contributions of nature to human welfare. We argue that such units have to date not been defined by environmental accounting advocates and that the term ecosystem services is too ad hoc to be of practical use in welfare accounting. We propose a definition, rooted in economic principles, of final ecosystem service units. A goal of these units is comparability with the definition of conventional goods and services found in GDP and the other national accounts. We illustrate our definition of ecological units of account with concrete examples. We also argue that these same units of account provide an architecture for environmental performance measurement by governments, conservancies, and environmental markets. (c) 2007 Elsevier B.V. All rights reserved.
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