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Willingness to pay for shrimp attributes and evidence of stigma following the Gulf Coast oil spill

机译：愿意为虾的特性和墨西哥海岸漏油事件后的污名化付出代价

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Mandatory labeling requirements in the United States require shrimp products to be labelled with certain credence attributes: production process and country of origin. To determine the effects of these requirements in the wake of the 2010 Gulf Coast oil spill, we estimate willingness to pay (WTP) for various credence characteristics (geographic origin and production process) and physical attributes using a Becker DeGroot Marschak experimental auction. Although the results are obtained from a small convenience sample, and hence cannot be generalized, we find that participants are willing to pay premiums of $0.90-$1.23 per half-pound for domestic shrimp (regardless of production method) and $0.60-$1.03 per half-pound for wild-caught shrimp. We also find evidence that Gulf Coast shrimp are stigmatized; controlling for other characteristics, participants are willing to pay $1.03-$1.34 less per half-pound for Gulf Coast shrimp. Overall, credence attributes influence WTP more than physical attributes.
机译：在美国，强制性标签要求要求对虾产品进行标签以具有一定的信誉属性：生产过程和原产国。为了确定这些要求在2010年墨西哥湾沿岸石油泄漏后的影响，我们使用Becker DeGroot Marschak实验性拍卖估算了各种信誉特征（地理来源和生产过程）和物理属性的支付意愿（WTP）。尽管结果是从便利样本中得出的，因此无法一概而论，但我们发现，参与者愿意为每只半磅虾支付0.90-1.23美元（不考虑生产方法），每半磅0.60-1.03美元。一磅的野生虾。我们还发现有证据表明墨西哥湾沿岸的虾被污名化。在控制其他特征的情况下，参与者愿意为墨西哥湾沿岸的虾每半磅少付1.03美元至1.34美元。总体而言，凭据属性对WTP的影响大于物理属性。

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