中文摘要：

基于中国15个省市78家农民合作社的微观调查数据,实证分析了农民合作社内部治理对其在农业产前、产中、产后横向服务能力和在农业生产资料、技术、信息、金融、机械、农产品销售和基础设施建设等纵向服务能力的影响,结果表明：股权结构集中度对两者均有负向影响,成员广泛持股有助于提升农民合作社的横向和纵向服务能力;理事长的受教育程度对横向服务能力有显著正向影响,股权激励对两者均有较显著的影响;内部监督对农民合作社纵向服务能力有显著正向影响;普通农民在理事会中比重的过高、理事会成员出资比例过高等会降低农民合作社的横向服务能力。

英文摘要：

Using microscopic investigation data of 78 agriculture cooperatives in 15 provinces in China, a detailed description of estimation results is provided. The main findings indicate： Concentration of equity ownership structure influences negatively the capability of agricultural service, the members＇ broad array of holdings helps to enhance the horizontal and longitudinal service capability of cooperatives; the education degree have important impact on the capability of horizontal agricultural service, and the incentive of director has significant impact on the horizontal and longitudinal capability of agricultural service for agriculture cooperative; internal supervision has a positive effect on improving the longitudinal service capability of cooperatives; in terms of board structure, the high proportion of ordinary farmers in the council and the council members with a high investment proportion reduce the horizontal capability of agricultural service.