共 12 条
- [6] Does technological diversification promote innovation?[J] . Maria Garcia-Vega. Research Policy . 2006 (2)
- [8] Applications, grants and the value of patent[J] . Dominique Guellec,Bruno van Pottelsberghe de la Potterie. Economics Letters . 2000 (1)
- [9] The impact of technological opportunity on the dynamics of trade performance[J] . Keld Laursen. Structural Change and Economic Dynamics . 1999 (3)
- [10] A Statistical Analysis of Corporate Technological Leadership Historically[J] . John Cantwell,Birgitte Andersen. Economics of Innovation and New Technology . 1996 (3)