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粮食种植补贴是农业补贴的核心内容。从现行种粮补贴政策出发,构建了差异化情景下种粮补贴效率的理论命题,并认为差异化补贴更体现“效率优先,兼顾公平”原则;在此基础上,构建了种粮补贴区域差异化指标体系及计算方法并对江苏省进行实证研究。结果发现:江苏省种粮补贴应呈现苏北>苏中>苏南的态势,最高值为总额的1.82%,分布在苏北地区,最低值为总额的1.17%,分布在苏南地区;各评价指标空间分布差异显著,补贴政策地区间指向应有所不同;最后提出差异控制系数θ,通过对θ的选择,可以较为有效的控制种粮补贴差异波动范围,为政策的制定提供简便的手段。
Grain planting subsidies are the core of agricultural subsidies. Based on the current grain subsidy policy, this paper constructs the theoretical proposition of the efficiency of grain subsidies under the differentiated scenarios and considers that the differentiated subsidies embody the principle of “giving priority to efficiency and giving consideration to fairness”. On this basis, Regional Differentiation Index System and Calculation Method and Empirical Study of Jiangsu Province. The results showed that grain subsidies in Jiangsu Province should show the trend of Northern Jiangsu, Central Southern Jiangsu and Southern Jiangsu, with the highest value accounting for 1.82% of the total, distributed in northern Jiangsu with a minimum value of 1.17% of the total, distributed in southern Jiangsu. Finally, the difference control coefficient θ is proposed. By choosing θ, we can control the fluctuation range of the subsidies for grain subsidies more effectively and provide a simple and convenient method for the formulation of policies .