英文文献:Are Consumers Indeed Misled? Congruency in Consumers' Attitudes towards Wine Labeling Information versus Revealed Preferences from a Choice Experiment-消费者真的被误导了吗?消费者对葡萄酒标签信息的态度与选择实验揭示的偏好的一致性
英文文献作者:Mueller, Simone C.,Umberger, Wendy J.
英文文献摘要:
Agricultural economists are increasingly being asked by policy makers and food industry to evaluate the efficacy of labeling programs or to assess if consumers are mislead by existing labeling programs. International food agencies, however, often rely only on stated preference methods in the form of attitude and perception measurement to directly assess consumers’ understanding and evaluation of label information and its importance to their purchase decisions. Attitudinal measures are often criticized for potentially providing biased estimates of true preferences, as they tend to overstate the importance of product characteristics when evaluated separately. Choice experiments, on the other hand, provide a methodological tool for a holistic product evaluation and force respondents to trade-off several attributes against another. In this study, we assess how closely consumers’ attitudinal measures with respect to food product labeling alternatives (pre- and post-information) correlate with estimates of relative value and importance from a discrete choice experiment (DCE). Data from a recent study commissioned by the Australian wine industry is used to examine whether consumers are being mislead by current food labeling policy which allows a product, only partially derived from wine and of lower technical quality, to be labeled as “Wine Product”. In combination with origin labeling consumers are potentially being misled by the combined label “Wine Product of Australia”. Thus, the overall objective of this research is to compare the results of attitudinal versus choice based methods to examine the efficacy of each method when assessing the impact of labeling information and policy on consumer behavior.
政策制定者和食品行业越来越多地要求农业经济学家评估标签计划的效果,或者评估消费者是否被现有的标签计划所误导。然而,国际食品机构往往只依赖以态度和感知测量的形式陈述的偏好方法,以直接评估消费者对标签信息及其对其购买决定的重要性的理解和评价。态度测量常常被批评为潜在地提供了对真实偏好的有偏见的估计,因为他们往往夸大了产品特征的重要性,当单独评估时。另一方面,选择实验为整体产品评价提供了一种方法工具,迫使受访者在几个属性之间进行权衡。在这项研究中,我们评估了消费者对食品标签替代品(前信息和后信息)的态度测量与离散选择实验(DCE)中对相对价值和重要性的估计的密切程度。澳大利亚酒业最近委托进行的一项研究的数据被用来调查消费者是否被现行的食品标签政策所误导。现行的食品标签政策允许一种只有部分源自葡萄酒且技术质量较低的产品被贴上“葡萄酒产品”的标签。加上原产地标签,消费者可能会被“澳大利亚葡萄酒产品”的组合标签所误导。因此,本研究的总体目标是比较态度方法和基于选择的方法的结果,以检验每种方法在评估标签信息和政策对消费者行为的影响时的有效性。


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