共 11 条
[1]
我国高技术产业研发效率空间相关性及其影响因素分析——基于省级面板数据的研究[J]. 余泳泽,武鹏.产业经济评论. 2010(03)
[9]
Accounting for Environmental Effects and Statistical Noise in Data Envelopment Analysis[J] . H. O. Fried,C. A. K. Lovell,S. S. Schmidt,S. Yaisawarng.Journal of Productivity Analysis . 2002 (1)
[10]
International R&D spillovers[J] . David T. Coe,Elhanan Helpman.European Economic Review . 1995 (5)