Testing Temporal Reliability and Carry-over Effect: The Role of Correlated Responses in Test-retest Reliability Studies |
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| Authors: | K E McConnell I E Strand Sebastián Valdés |
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| Institution: | (1) Department of Agricultural and Resource Economics, University of Maryland, College Park, MD 20742, USA;(2) Department of Agricultural and Resource Economics, University of Maryland, College Park, MD 20742, USA;(3) Department of Economics, University of Chile, Diagonal Paraguay 257, Santiago, Chile |
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| Abstract: | Test-retest studies help establish the reliability of contingent valuation (CV) responses but must confront the problem that the initial response may influence subsequent responses, and thus weaken conclusions. We develop a model that tests the influence of heterogeneous preferences and previous responses. By estimating a model of sportfishing, we show that correlation between answers to a CV question is induced by heterogeneous preferences. |
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| Keywords: | contingent raluation test-retest correlated responses |
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