Yefan Nian, Zhifeng Gao, Rodolfo M. Nayga Jr, Yuning Zhao, Joanna Van Asselt
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引用次数: 0
Abstract
Past studies have shown that asking stated attribute non-attendance (ANA) questions at the choice task level can improve the accuracy of revealing participants' ANA information in choice experiments (CEs). However, the impact of such questions on CE participants' underlying choice behaviors in subsequent choice tasks remains underexplored. This study assesses whether and to what extent stated ANA questions within CE choice task sequences introduce learning and fatigue effects by influencing participants' behaviors in CEs, including response time, preference elicitation, choice randomness, and willingness-to-pay (WTP). Using a between-subject design by assigning participants to one of three CEs with different types of stated ANA questions, we found that although choice task level stated ANA questions provided more accurate ANA information, they might lead to participants' longer response time, increased choice randomness, and altered WTP estimates with larger standard deviations, possibly due to increased cognitive burden for participants. Meanwhile, a single randomly placed stated ANA question could also influence CE participants' response time and preferences, but have minimal impact on choice randomness. Therefore, CE practitioners should carefully weigh the enhanced accuracy of ANA behavior measurement against potential disruptions to participants' choice behaviors when including stated ANA questions in CEs.
期刊介绍:
Agricultural Economics aims to disseminate the most important research results and policy analyses in our discipline, from all regions of the world. Topical coverage ranges from consumption and nutrition to land use and the environment, at every scale of analysis from households to markets and the macro-economy. Applicable methodologies include econometric estimation and statistical hypothesis testing, optimization and simulation models, descriptive reviews and policy analyses. We particularly encourage submission of empirical work that can be replicated and tested by others.