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Consumer Willingness to Pay Price Premiums for Credence Attributes of Livestock Products – A Meta‐Analysis
Journal of Agricultural Economics ( IF 3.4 ) Pub Date : 2019-03-15 , DOI: 10.1111/1477-9552.12323
Wei Yang , Alan Renwick

Livestock products, such as dairy and beef, are increasingly regarded as resource intensive and concerns are raised about animal welfare and environmental sustainability. As a result, consumer awareness of these issues has led to an increasing demand for products with high quality credence attributes (CAs) that cannot be directly experienced or identified. A number of empirical studies have attempted to estimate consumers' willingness to pay (WTP) for CAs, which represents the additional value placed on the benefits that they derive from those products. However, there are significant differences in these WTP estimates, mainly because both consumers' perceptions of CAs and the conditions of the studies vary. We conduct a meta‐analysis to examine consumers' WTP for different CAs of livestock products based on a systematic review of relevant studies. Meta‐regression models are used to control for the heterogeneity of WTP estimates and investigate factors that affect the estimation of WTP. Overall 555 estimates derived from 94 papers reporting WTP are included in this study. Meta‐regression results establish the presence of systematic WTP variation associated with types of products, CAs, and locations, though also indicate that WTP is subject to systematic variation associated with study methodology.

中文翻译:

消费者愿意为牲畜产品的信誉属性支付价格溢价– Meta分析

畜牧产品,例如奶制品和牛肉,越来越被认为是资源密集型的,并且人们对动物福利和环境可持续性也提出了担忧。结果,消费者对这些问题的意识已导致对无法直接体验或识别的具有高质量信用属性(CA)的产品的需求增加。大量的经验研究试图估计消费者为CA支付的意愿(WTP),这代表着他们从这些产品中获得的收益的附加价值。但是,这些WTP估算值之间存在显着差异,主要是因为消费者对CA的看法和研究条件都不同。我们进行荟萃分析以检查消费者的 在对相关研究进行系统回顾的基础上,针对不同畜牧产品CA的WTP。元回归模型用于控制WTP估计的异质性,并研究影响WTP估计的因素。这项研究包括了94篇报告WTP的论文得出的555项估计。元回归结果表明存在与产品类型,CA和位置相关的系统性WTP变异,尽管这也表明WTP受到与研究方法相关的系统性变异的影响。
更新日期:2019-03-15
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