AE | 中国食品安全需求中的城乡差距：食品标签知识的作用
*中文标题和摘要系简单翻译，可能存在部分错误，请以英文为准
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Shimokawa, S., Hu, D., Li, D., & Cheng, H. (2021). The urban–rural gap in the demand for food safety in China: The role of food label knowledge. Agricultural Economics.
全文链接：
https://doi.org/10.1111/agec.12613
作者：Satoru Shimokwa, Dezhuang Hu, Dandan Li, Hong Cheng
题目：中国食品安全需求中的城乡差距：食品标签知识的作用
摘要：
尽管在全国范围内推广了食品安全措施，但中国对食品安全的需求仍然存在巨大的城乡差距。为了解释这一差距，我们探索了食品安全标签知识的作用。我们使用城乡地区绿色食品标签的边际支付意愿（MWTP）和大米与猪肉的有机食品标签的边际支付意愿（MWTP）来衡量需求。我们采用离散选择实验和control function approach来控制潜在的内生性问题。结果表明，具有标签知识的人的标签边际支付意愿显著为正，而没有标签知识的人的标签边际支付意愿则不显著甚至为负，并且前者的边际支付意愿城乡差距比后者大。这些与知识相关的差异解释了绿色食品标签的边际支付意愿中城乡差距的8–29％。我们的研究结果表明，提高对绿色食品标签的了解可能会有效缩小城乡差距，而我们的结果也暗示着政府在中国农村地区更有效地推广标签知识方面存在着未来的挑战。
Abstract:
Despite the national promotion of food safety measures, a substantial urban–rural gap remains in the demand for food safety in China. To explain this gap, we explore the role of knowledge of food safety labels. We measure demand using the marginal willingness to pay (MWTP) for the green food label and the organic food label for rice and pork in urban and rural areas. We employ discrete choice experiments and the control function approach to control for potential endogeneity problems. The results show that the MWTP for the labels is significantly positive among people with label knowledge but insignificant or even negative among people without label knowledge, and the urban–rural gap in the MWTP is larger among the former than among the latter. These knowledge‐related differences explain 8–29% of the urban–rural gap in the MWTP for the green food label. Our findings imply that improving knowledge about the green food label could potentially be effective in reducing the urban–rural gap, while our results also imply the existence of a future challenge for the government in promoting label knowledge more effectively in rural China.
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