共 9 条
[1]
Substitutability and Accumulation of InformationTechnology Capital in U.S. Industries. Hyunbae Chun,Sung-Bae Munf. Southern Economic Journai . 2006
[2]
Planning your firm’s R&D investment. Hartmann, George C.,Myers, Mark B.,Rosenbloom, Richard S. Research Technology Management . 2006
[5]
The relationship between RD investment and firm profitability under a three-stage sigmoid curve model: Evidence from an emerging economy. Yang, Kuo-Pin,Chiao, Yu-Ching,Kuo, Chih-Chung. IEEE Transactions on Engineering Management . 2010
[6]
Increasing Returns and Long- Run Growth. Paul M.Romer. Journal of Politics . 1986
[9]
The Role of Human Capital in Economic Development: Evidence From Aggregate Cross-Country Data. Benhabib J,Spiegel M M. Journal of Monetary Economics . 1994