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中文摘要：
采用数据包络分析法（DEA）对我国1999--2008年3l省份R＆D活动的相对效率和规模效率进行实证研究。研究表明：我国各省份在R＆D技术效率上存在显著差异，技术效率低下的省份较多；R＆D规模大的省份相对R＆D规模较小的省份并不具备显著的技术效率优势：31省份中仅少数省份处于规模有效和接近于规模有效状态，纯技术效率和规模效率都是影响省际R＆D活动技术效率的主要因素。我国省际R＆D活动存在显著的规模不经济特征。
英文摘要：
This paper uses the data envelopment analysis （DEA） method to empirically study the relative efficiency and scale efficiency of R＆D activities in 31 provinces of China from 1999 to 2008. The results show that there are significant differences existing between the technical efficiency of different provinces, and a few of them have low technical efficiency, the provinces with large R＆D scale don＇t have significant advantages in t~ae technical efficiency when compared with the provinces of small R＆D scale. In the 31 provinces, only a few are in the scale-effective state and approaching to that, both pure technical efficiency and scale efficiency are the primary factors that influence the R＆D activities technical efficiency in different provinces; Further research indicates that there is a significant diseconomies characteristic of scale appeared among the R＆D activities in different provinces of China.
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