共 7 条
[2]
A Longitudinal Study of the Impact of R&D, Patents, and Product Innovation on Firm Performance[J] . Kendall W. Artz,Patricia M. Norman,Donald E. Hatfield,Laura B. Cardinal.Journal of Product Innovation Management . 2010 (5)
[3]
Cash holdings and R&D smoothing[J] . James R. Brown,Bruce C. Petersen.Journal of Corporate Finance . 2010 (3)
[4]
Cross-Sectional versus Longitudinal Survey Research: Concepts, Findings, and Guidelines[J] . Aric Rindfleisch,Alan J. Malter,Shankar Ganesan,Christine Moorman.Journal of Marketing Research . 2008 (3)
[5]
The impact of government's fundings and tax incentives on industrial R&D investments—Empirical evidences from industrial sectors in Shanghai[J] . Pingfang ZHU,Weimin XU,Nannan LUNDIN.China Economic Review . 2005 (1)
[6]
Patent citations and international knowledge flow: the cases of Korea and Taiwan[J] . Albert G.Z. Hu,Adam B. Jaffe.International Journal of Industrial Organization . 2003 (6)
[7]
Applied econometric time series .2 ENDERS W. Willey . 2004