| Agriculture is a basic industry that supports the sustainable development of social economy.Agricultural insurance,as an important means to disperse the risks of agricultural production and management,can guide agricultural operators to adjust and optimize the management mode and improve the input-output efficiency of agricultural resources,thus affecting the agricultural ecological efficiency.Improving agricultural ecological efficiency has important theoretical and practical significance for developing green agriculture and realizing rural revitalization.In the development process of agricultural eco-efficiency,accompanied by soil erosion and environmental carrying capacity reduction,crop structure,agricultural scale development and agricultural technology progress are affected,thus restricting the development of agricultural insurance.How to use agricultural insurance to guide agricultural managers to transform the management mode and adjust allocation of resource factors to deal with the relationship between agricultural insurance and agricultural ecological efficiency is the urgent problem facing our agricultural development at the present stage.On the basis of establishing the evaluation index system of comprehensive development ability of agricultural insurance and agricultural ecological efficiency,this study adopted entropy method,super efficiency SBM model,coupling coordination degree model,Gini coefficient,kernel density and grey correlation degree model.Based on the evaluation of the development level of agricultural insurance and agricultural eco-efficiency in 30 provinces and regions of China from 2004 to 2020,this paper measured the degree of their coordinated development,analyzed the heterogeneity characteristics of the spatiotemporal pattern of agricultural insurance,agricultural eco-efficiency and their coordinated development level,and quantitatively analyzed the main factors affecting the coordinated development.The results showed that:(1)The comprehensive development ability of agricultural insurance in China fluctuated and increased during 2004-2020.From the perspective of various indicators,the premium income of agricultural insurance played an important role in the development of agricultural insurance.The overall development ability of agricultural insurance in China showed a distribution trend of"high in the north and low in the south"with the Yellow River Basin as the limit.The growth rate of agricultural insurance showed an"X"-shaped change characteristic of high in the northeast--low in the southwest and high in the southeast--low in the northwest.The comprehensive development ability of agricultural insurance had obvious spatial differentiation.(2)From2004 to 2020,agricultural eco-efficiency in China showed a slow rise on the whole.The eastern region had a high agricultural eco-efficiency and a fast growth rate,while the western region had a low agricultural eco-efficiency.The overall agricultural ecoefficiency of China showed a spatial pattern of"West high-middle low-east high".The agricultural eco-efficiency of eastern and western regions was generally higher than that of central regions,and that of southeastern coastal areas was higher than that of inland regions.In terms of the growth rate of agricultural eco-efficiency,there was a development trend of"majority-negative growth,minority-slow growth,and individual-high growth".The agricultural eco-efficiency of China’s provinces showed a multi-point polarization development trend.(3)From 2004 to 2020,the coordination degree of agricultural insurance and agricultural eco-efficiency in China basically showed a fluctuation rising trend with the peaks in 2013 and 2017,and the coordination degree changed from antagonism stage to running-in stage during the study period.On the whole,the coordination degree of the country presents a distribution trend of"high in the periphery and low in the center".The coordination degree of the northwest,northeast and southeast regions is high,while the coordination degree of the inland regions is low.The growth rate of coordination degree presents a spatial pattern of"high in the north-low in the south,high in the east-low in the west".The polarization effect is significant,and the spatial differentiation among provinces is obvious.In addition,the level of coordination between developed regions and those with local agricultural characteristics is relatively high and the growth rate is fast,while the level of coordination between major grainproducing regions is relatively stable.(4)Considering the influencing factors in 2004,2012 and 2020,the five factors that have a great influence on the spatial differentiation of coordination degree are respectively the development intensity of animal husbandry,urbanization rate of population,household income structure,agricultural planting structure and annual precipitation.With the passage of time,all the driving factors showed a trend of fluctuation.Therefore,we should grasp the characteristics of development,identify the characteristics of differences,and take targeted measures from different perspectives. |
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