中文摘要：

探析分享经济背景下用户参与意愿影响因素既能为社会深入理解互联网经济形态下用户参与分享经济的动机提供理论支持,也能为互联网企业探索和开发分享经济商业模式提供参考。文章以知识技能分享领域的微博问答为例,借助质性分析软件NVivo 11,选取18名对象作为半结构化访谈样本,对获取的访谈原始资料进行分析,提炼出用户参与分享经济意愿的主要影响因素。研究发现：认知效益是最重要的影响因素,信任是最关键的影响因素,经济效益和声誉是重要的影响因素,社会效益和主观规范是较为重要的影响因素,相对不重要的影响因素是感知风险。

英文摘要：

The study of the factors influencing users＇ participation willingness will provide a theoretical support for understanding their intention to take part in sharing economy,and gives insights for exploring and developing the sharing economy business models. Taking Wechat Q A in the field of knowledge and skills sharing as an example,the authors employ the qualitative analysis software NVivo 11 and the semi-structured interview method to study 18 samples, analyzing the original interview data and extracting seven main influence factors which include epistemic benefit,trust,economic benefit,reputation,social benefit,subjective norm and perceived risk. It is found that epistemic benefit is of the most importance,followed by trust,economic benefit,reputation,social benefit and subjective norm,while the perceived risk is relatively less important.