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英文文献：Willingness to pay for genetically modified food and non-food products-愿意为转基因食品和非食品产品付费
英文文献作者：Christoph, Inken B.,Roosen, Jutta,Bruhn, Maike
英文文献摘要：
This paper presents estimates of consumers' willingness to pay for a GM food and non-food product based on data collected in a choice experiment. The choice experiment was part of a survey of 1510 randomly selected consumers in Germany that was mailed in spring 2005. Attitudes towards gene technology, institutions and technical progress were measured using 22 items. A factor analysis revealed five factors describing consumer attitudes: support, risk, trust, attitude towards technical progress and attitude towards technical innovation. Based on these factors we identify four different classes of consumers in a latent class model for both products. Analysis of these classes shows strong differences between willingness to pay estimates for benefits compared to risk reduction as well as differences between the classes.
本文基于选择实验中收集的数据，对消费者购买转基因食品和非食品的意愿进行了估计。这项选择实验是2005年春天寄出的对1510名德国随机选择的消费者的调查的一部分。对基因技术、机构和技术进步的态度用22个项目进行测量。因子分析揭示了描述消费者态度的五个因素:支持、风险、信任、对技术进步的态度和对技术创新的态度。基于这些因素，我们在两种产品的潜在类别模型中确定了四种不同类别的消费者。对这些类别的分析显示，与风险降低相比，为福利估计支付的意愿有很大差异，以及类别之间的差异。
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