Contingent valuation with an open-ended follow-up question: a test of scope effects
It has been suggested that an open-ended follow-up question should be added to the binary contingent valuation question. Before this is generally recommended, it is important to evaluate the properties of such follow-up questions. Using a split sample approach, we test whether the open-ended follow-up is sensitive to the scope of the commodity being valued. No significant scope effects were detected. It is concluded that the results obtained do not support the use of an open-ended follow-up in contingent valuation applications. © 1997 John Wiley & Sons, Ltd.
Year of publication: |
1997
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Authors: | Kartman, Bernt ; Stålhammar, Nils-Olov ; Johannesson, Magnus |
Published in: |
Health Economics. - John Wiley & Sons, Ltd., ISSN 1057-9230. - Vol. 6.1997, 6, p. 637-639
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Publisher: |
John Wiley & Sons, Ltd. |
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