Agricultural land transfer has made outstanding contribution to the optimal configuration of China's agri-cultural land resource. But some risks of agricultural land transfer occurred in recent years which hindered the pros-perity of rural economy and the stability of rural society. By using complex ecosystem theory for reference mean-while attaching the current situation of agricultural land transfer of "A" town in Zhejiang Province, the results showed that the risks of agricultural land transfer in "A" town can be classified as economic risk, social risk and natural risk. The economic risk included contract risk, operation and management risk, food security risk and poli-cy risk;the social risk included social contradiction risk, government credibility risk, rent-seeking risk and social insurance risk;the natural risk included landscape value risk and ecological structure risk. The causes of these risks included information asymmetry, non-rationality, morality, institutional status and market. The risks can be polymerized to four factors such as compulsory possession, externality, behavioral bias and sunk cost,and then radi-ating to the agricultural land system of"A" town and forming the risks of agricultural land transfer. It should ensure the benefit security to control the economic risks, increase the social efficiency to control the social risks,and en-hance the rationality evaluation to control natural risks.%土地流转为实现我国农地资源优化配置做出了巨大贡献,但近年来土地流转也逐渐表现出了一些风险.土地流转风险已逐渐成为我国农村地区发展中的现实隐忧与制约瓶颈,在一定程度上阻碍了农村经济的繁荣与社会的稳定.文章借鉴复合生态系统理论的理念,对浙江省A乡土地流转进行研究发现,该乡土地流转风险主要表现为经济风险、 社会风险、 自然风险,其中经济风险包括契约风险、 经营管理风险、粮食安全风险及政策风险;社会风险包括社会矛盾风险、 公信力风险、 寻租风险及社会保障风险;自然风险包括景观美学价值风险、 生态组分风险.土地流转风险的成因包括信息不对称、 非理性、 道德、 制度环境、 市场等因素,这些因素聚合为强制性占有、 流转外部性、 行为偏差、 沉没成本等4个因子,辐射至A乡农村土地流转整个系统,进而产生土地流转风险.要控制A乡土地流转的经济风险需要以利益保障为目标,而社会风险的控制要以提升社会效益为根本,自然风险的控制要以合理性评价为依据.
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