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Respondent uncertainty in contingent valuation: the case of whale conservation in Newfoundland and Labrador
Lyssenko, Nikita, (2009)
`Been there done that': Disentangling option value effects from user heterogeneity when valuing natural resources with a use component.
An Estimation of Residential Water Demand Using Co-Integration and Error Correction Techniques
Martinez-Espineira, Roberto, (2005)