共 5 条
[1]
中国工业产业创新水平及影响因素——面板数据的实证分析[J]. 吴延兵.产业经济评论. 2006(02)
[4]
R&D Performance in Chinese industry[J] . Gary H. Jefferson,Bai Huamao,Guan Xiaojing,Yu Xiaoyun.Economics of Innovation and New Technology . 2006 (4-5)
[5]
Firm Size, Market Structure, Opportunity, and the Output of Patented Inventions[J] . F. M. Scherer.The American Economic Review . 1965 (5)