A Simplified Method for Value of Information Using Constructed Scales
Michael C. Runge (),
Clark S. Rushing (),
James E. Lyons () and
Madeleine A. Rubenstein ()
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Michael C. Runge: U.S. Geological Survey Eastern Ecological Science Center at the Patuxent Research Refuge, Laurel, Maryland 20708
Clark S. Rushing: Warnell School of Forestry and Natural Resources, University of Georgia, Athens, Georgia 30602
James E. Lyons: U.S. Geological Survey Eastern Ecological Science Center at the Patuxent Research Refuge, Laurel, Maryland 20708
Madeleine A. Rubenstein: U.S. Geological Survey, National Climate Adaptation Science Center, Reston, Virginia 20192
Decision Analysis, 2023, vol. 20, issue 3, 220-230
Abstract:
The value of information is a central concept in decision analysis, used to quantify how much the expected outcome of a decision would be improved if epistemic uncertainty could be resolved prior to committing to a course of action. One of the challenges, however, in quantitative analysis of the value of information is that the calculations are demanding, especially in requiring predictions of outcomes as a function of alternative actions and sources of uncertainty. However, the concept of value of information is important in early framing of some decisions, before such predictions are available. We propose a novel measure of the value of information based on constructed scales (CVOI), grounded in the algebra of the expected value of perfect information (EVPI), but requiring less of experts and analysts. The CVOI calculation decomposes EVPI into a contribution representing the relevance of the uncertainty to the decision and a contribution representing the magnitude of uncertainty; constructed ratio scales are then proposed for each contribution. We demonstrate the use of CVOI to identify research priorities related to migratory bird management in the face of climate change.
Keywords: expected value of perfect information; epistemic uncertainty; constructed scale; expert judgment; expected value of sample information; qualitative value of information (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)
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Persistent link: https://EconPapers.repec.org/RePEc:inm:ordeca:v:20:y:2023:i:3:p:220-230
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