Show Reference

Title
Duffield, J. 1991. Existence and non-consumptive values for wildlife: application to wolf recovery in Yellowstone National Park. In C.L. Kling (Ed.), Benefits and Costs in Natural Resources Planning, Davis: Department of Agricultural Economics, University of California.
Activity
Threatened, Endangered, and Rare Species
Site Name
Yellowstone National Park
Location
Yellowstone National Park
Land Ownership
Wilderness Name
Survey Type
Mail
Year(s)
1990
Visitor Type
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Sample Summary Statistics Provided?
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Response Rate
30.6
Sample Frame
Visitors
Valuation Method Full Dataset
Contingent Valuation Method
Valuation Method Individual Studies
Contingent Valuation Method
Regression Model Provided
Sample Size
158
Stated Preference Elicitation Method
Dichotomous Choice
Stated Preference Payment Vehicle
Lifetime Membership in a Trust Fund
Stated Preference Payment Type
One-time
Revealed Preference Corrected Endogenous Stratification
Revealed Preference Substitute Price Included in Regression
Revealed Preference Observations Truncated
Revealed Preference Opportunity Cost Of Time Used
Revealed Preference Pct Of Wage Used
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Revealed Preference Single Dest Trips Only
Revealed Preference Primary Purpose Only
Group Size
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Days Per Trip
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Original Value Estimate
Value Year
Economic Value Estimate (2016)
$111.81
Units
Per Visitor
State Wide Study Flag
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