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The complementarity effect of research and development on firm productivity
Barge Gil, Andrés, (2013)
Research and Technology as Economic Activities
Green, Kenneth, (1977)
Economic integration and economic growth with science-pushed industrial innovation
Xie, Xin, (1999)
The implications of spillovers for R&D investment and welfare : a new perspective
Cohen, Wesley M., (1990)
Absorptive capacity : a new perspective on learning and innovation
Cohen, Wesley M., (2008)
Cohen, Wesley M., (2007)