Does don't know mean no? Analysis of 'don't know' responses in dichotomous choice contingent valuation questions
| Year of publication: |
2002
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|---|---|
| Authors: | Groothuis, Peter A. ; Whitehead, John C. |
| Published in: |
Applied economics. - Abingdon : Routledge, ISSN 0003-6846, ZDB-ID 2801760. - Vol. 34.2002, 15, p. 1935-1940
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