信息对称促进农药减量化：理论模型、典型案例与监管策略选择

doi:10.3969/j.issn.1004-1524.2022.06.23

浙江农业学报 ›› 2022, Vol. 34 ›› Issue (6): 1326-1336.DOI: 10.3969/j.issn.1004-1524.2022.06.23

信息对称促进农药减量化：理论模型、典型案例与监管策略选择

邵宜添()

浙江财经大学中国政府管制研究院,浙江杭州 310018

收稿日期:2021-08-22 出版日期:2022-06-25 发布日期:2022-06-30
作者简介:邵宜添（1984—）,男,浙江三门人,博士,助理研究员,主要研究方向为食品安全监管和农业经济管理。E-mail: shaoyitian8888@163.com
基金资助:
国家自然科学基金(72004192);国家自然科学基金(71573223);教育部人文社会科学研究基金(18YJCZH218)

How information symmetry promotes pesticide reduction: theoretical models, typical cases and regulatory strategies

SHAO Yitian()

China Institute of Regulation Research, Zhejiang University of Finance & Economics, Hangzhou 310018, China

Received:2021-08-22 Online:2022-06-25 Published:2022-06-30

摘要/Abstract

摘要：

农药发展助推了农业进步,但农药的不规范施用也会造成诸多负外部效应。如何实现农药减量化是我国农业可持续发展面临的现实难题。借鉴原子核衰变规律构建农药减量化理论模型,分析不同农药信息条件下农户利润影响因素和施药行为导向,并以“丽水山耕”通过农药信息对称实现农药减量化为典型进行案例分析。结果表明,“政府外部赋能+市场内生驱动”是实现农药减量化可持续的可行路径,其关键在于充分确保农产品农药等信息对称。因此,农药减量化监管策略的重点不在于对农药施用的具体管制,而在于营造信息对称的市场环境。

关键词: 信息对称, 农药减量化, 理论模型, “丽水山耕”品牌, 监管策略

Abstract:

The development of pesticide has promoted the progress of agriculture in China, but abuse of pesticide has also caused many negative external effects. How to reasonably apply pesticide is a practical problem for China’s agricultural sustainable development. In the present study, the theoretical model of pesticide reduction was constructed by referring to nuclear decay law, and the influencing factors of farmer’s profits and guidance of pesticide application behavior under different pesticide information conditions were analyzed. A typical case of “Lishui Shangeng” was taken to analyze the realization of pesticide reduction by pesticide information symmetry. The results showed that “government external empowerment & market endogenous drive” is a feasible path to achieve sustainable pesticide reduction, and the key is to ensure the information symmetry of pesticide in agricultural products. Therefore, the focus of pesticide reduction regulation strategy should be transferred from the specific control of pesticide application to the creation of information symmetry market environment.

Key words: information symmetry, pesticide reduction, theoretical model, “Lishui Shangeng” brand, regulation strategy

中图分类号:

F304.7

邵宜添. 信息对称促进农药减量化：理论模型、典型案例与监管策略选择[J]. 浙江农业学报, 2022, 34(6): 1326-1336.

SHAO Yitian. How information symmetry promotes pesticide reduction: theoretical models, typical cases and regulatory strategies[J]. Acta Agriculturae Zhejiangensis, 2022, 34(6): 1326-1336.

图/表 1

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核心变量 Key variable	信息条件 Information condition	利润最大值时的取值 Value under maximum profit	药品推荐值 Recommended value	农户策略 Farmers’ strategy	农残变化 Changes of pesticide residues
农药施用强度Pesticide application intensity	不对称Asymmetry	260	120	适当提高农药施用强度 Elevate pesticide application intensity	增加Increase
农药施用强度Pesticide application intensity	对称Symmetry	10.2	120	显著降低农药施用强度 Decrease pesticide application intensity	降低Decrease
农药实际间隔期 Actual interval	不对称Asymmetry	0~6	7	适当缩短实际间隔期 Shorten actual interval	增加Increase
农药实际间隔期 Actual interval	对称Symmetry	9.7	7	适当延长实际间隔期 Extend actual interval	降低Decrease
农药安全间隔期 Recommended interval	不对称Asymmetry	∞	10	选择较长安全间隔期 Choose long recommended interval	不确定Not sure
农药安全间隔期 Recommended interval	对称Symmetry	120	10	选择较长安全间隔期 Choose long recommended interval	不确定Not sure

核心变量 Key variable	信息条件 Information condition	利润最大值时的取值 Value under maximum profit	药品推荐值 Recommended value	农户策略 Farmers’ strategy	农残变化 Changes of pesticide residues
农药施用强度Pesticide application intensity	不对称Asymmetry	260	120	适当提高农药施用强度 Elevate pesticide application intensity	增加Increase
农药施用强度Pesticide application intensity	对称Symmetry	10.2	120	显著降低农药施用强度 Decrease pesticide application intensity	降低Decrease
农药实际间隔期 Actual interval	不对称Asymmetry	0~6	7	适当缩短实际间隔期 Shorten actual interval	增加Increase
农药实际间隔期 Actual interval	对称Symmetry	9.7	7	适当延长实际间隔期 Extend actual interval	降低Decrease
农药安全间隔期 Recommended interval	不对称Asymmetry	∞	10	选择较长安全间隔期 Choose long recommended interval	不确定Not sure
农药安全间隔期 Recommended interval	对称Symmetry	120	10	选择较长安全间隔期 Choose long recommended interval	不确定Not sure

信息对称促进农药减量化：理论模型、典型案例与监管策略选择

How information symmetry promotes pesticide reduction: theoretical models, typical cases and regulatory strategies

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