中文摘要：

运用SFA模型，从产学研合作、外部专家支持、企业规模和市场对新产品的需求四个方面，对辽宁省企业的研发效率及其影响因素之间的关系进行了实证分析。研究结果表明，对企业研发效率的影响，产学研合作虽具有显著性，但需进一步加强，企业规模和新产品需求有显著且积极的影响，而外部专家的支持作用并不显著。最后，根据研究结果提出相关对策建议。

英文摘要：

R＆D efficiency is the key to improve enterprise innovation capability, while R＆D environment deter- mines enterprise R＆D efficiency. The paper empirically analyzes the relationship between enterprise R＆D efficien- cy and the factors in Liaoning province by utilizing SFA-model, from four aspects of industry-university-research cooperation, external expert support, enterprise scale and new product demand. The results of the study show that industry-university-research cooperation which has a significant influence on R＆D efficiency needs further strength- ening, enterprise scale and new product demand have significant and positive influence on R＆D efficiency, while the effect of external expert support is not significant. At last, the paper puts forward the related suggestion ac- cording to the results