Lundhede, Thomas Hedemark; Olsen, Søren Bøye; Bredahl … - In: Journal of choice modelling 2 (2009) 2, pp. 118-147
Using data from two Choice Experiment environmental valuation surveys we investigate several different ways of handling respondent uncertainty. In both surveys respondents are asked to state their certainty of choice after each single choice set. We evaluate three different recoding-of-answers...