中文摘要：

本文利用课题组对湖北、安徽、四川3省7市农户、收购商、加工商和销售商关于油菜产品流通的调查数据，运用聚类分析和多项logistic模型对现阶段农产品流通领域的合作关系状态、影响流通主体合作意愿的因素进行了剖析。研究发现：现阶段农产品流通领域中各主体之间的合作关系状态并不乐观，在提升合作水平上有较大空间；总的来说，农产品流通主体参与合作的意愿较为积极，并且更加倾向于纵向合作，影响他们参与合作、以何种方式参与合作的主要因素有经营规模、现有合作关系，其次为经营类型、对流通主体的评价，以及对农产品流通重要性的认知。

英文摘要：

By using cluster analysis and multinomial logistic model based on the survey data of farmers, agricultural prod- ucts purchasers, processors and sellers in Hubei, Anhui, Sichuan 3 provinces and 7 cities, which concerning circulation of rape- seed products, the partnership status in agricultural products circulation field and the factors influencing cooperation willingness of circulation principal parts are analyzed in the paper. It is found that partnership status of the agricultural products circulation is poor at the present stage, and there is a large space to enhance the level of cooperation. In general,the willingness of princi- pal parts of agricultural products circulation to participate in cooperation is active, and they are more inclined to vertical cooper- ation. The main factors affect their participation and cooperation manner are operation scale, existing relationship, followed by operation type, on evaluation of circulation principal parts and awareness of the importance of agricultural products circulation.