This paper reported a questionnaire survey on consumers' preference for several attributes of a condominium unit carried out in Kanagawa, Japan. The questionnaire were designed based on paired comparison conjoint theory, analytical hierarchy process (AHP), and rank method to quantify the preference for floor area. specifications of low C02 emission and VOC emission, and information technology (IT) facility. The responses of stated preference on paired comparison were analyzed based on both multi-logit and multi-probit methods. The result suggests the effectiveness of an inter-comparison among several types of probability model for evaluating the estimated willingness to pay for a group of small sample size.
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