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The Relationship Between R&D Investment and Firm Profitability Under a Three-Stage Sigmoid Curve Model: Evidence From an Emerging Economy.
Kuo-Pin Yang
Yu-Ching Chiao
Chih-Chung Kuo
Published in:
IEEE Trans. Engineering Management (2010)
Keyphrases
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computational model
formal model
management system
mathematical model
statistical model
neural network
data mining
computational complexity
probabilistic model
experimental data
cost function
neural nets