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风险认知、风险偏好与食品销售时机:对中国农民消极态度的新见解

Risk Perception, Risk Preference, and Timing of Food Sales: New Insights into Farmers' Negativity in China.

作者信息

Tian Tan, Zhao Xia

机构信息

Institute of Food and Strategic Reserves, Nanjing University of Finance and Economics, #17A, No.3, Wenyuan Road, Nanjing 210003, China.

出版信息

Foods. 2024 Jul 16;13(14):2243. doi: 10.3390/foods13142243.

Abstract

Chinese farmers, especially small ones, always sell their food at low prices during harvest season rather than storing it for a better price. Based on a theoretical framework of expected utility, this paper examines the mechanism by which risk perception affects farmers' timing choices of food sales and the role played by risk preference, utilizing data from the 2019 China Family Database and the China Household Finance Survey of farmers in six provinces of the main wheat-producing regions. This study shows that farmers with a high risk perception are more likely to choose current sales compared with intertemporal sales. The channel and mechanism analysis finds that increased risk perception leads to risky returns from intertemporal sales lower than certain returns from current sales in utility comparisons. It is further found that risk preference has a substitution effect on risk perception in farmers' intertemporal food sales.

摘要

中国农民,尤其是小农户,总是在收获季节以低价出售他们的粮食,而不是储存起来以期卖个更好的价钱。基于预期效用的理论框架,本文利用2019年中国家庭数据库以及对主要小麦产区六个省份农民的中国家庭金融调查数据,研究了风险认知影响农民粮食销售时机选择的机制以及风险偏好所起的作用。研究表明,与跨期销售相比,风险认知较高的农民更有可能选择当期销售。渠道和机制分析发现,在效用比较中,风险认知的提高导致跨期销售的风险回报低于当期销售的确定性回报。进一步研究发现,风险偏好在农民的跨期粮食销售中对风险认知具有替代效应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b50d/11276206/1327f9d73cdd/foods-13-02243-g001.jpg

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