Journal
ECOLOGICAL ECONOMICS
Volume 60, Issue 2, Pages 351-360Publisher
ELSEVIER
DOI: 10.1016/j.ecolecon.2006.06.015
Keywords
meta-analysis; benefits transfer; theory and practice
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Meta-analysis, or the study of studies, attempts to statistically measure systematic relationships between reported valuation estimates for an environmental good or service and attributes of the study that generated the estimates including valuation methods, human population and sample characteristics, and characteristics of the good or service itself. In this paper, we discuss the general theory behind and practice of the emerging use of meta-analysis for benefits transfer. We believe that meta-analysis may prove to be a useful tool for benefits transfer in particular applications if it is carefully conducted following systematic protocols for model development, data collection, and data analysis and interpretation. However, before widespread application of this method, more convergent validity tests are needed. One of the greatest strengths of using meta-analysis for benefits transfer is the ability to combine and summarize large amounts of information from previous studies. This strength can also lead to one of the greatest weaknesses of this method which is the loss of important valuation details across time and space in the aggregation process. (c) 2006 Elsevier B.V. All rights reserved.
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