Spillovers in product and process innovation: evidence from manufacturing firm

Ornaghi, Carmine (2006) Spillovers in product and process innovation: evidence from manufacturing firm. International Journal of Industrial Organization, 24, (2), 349-380. (doi:10.1016/j.ijindorg.2005.07.002).


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This paper proposes a new empirical approach to assess the impact of knowledge spillovers on firms' productivity and demand. I consider a model where process innovation spillovers to other firms raise firms' relative efficiency while technological diffusion of product innovations enhances firms' demand. By modelling knowledge capital as a function of own investment in R&D and spillovers, I can compare the impact of these two complementary sources of knowledge on both the supply and the demand side. The results obtained confirm the findings already highlighted by previous empirical studies that technological externalities affect positively firms' productivity growth. The new finding is that product innovations have a larger technological diffusion than process innovations, both in magnitude and pervasiveness.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.ijindorg.2005.07.002
ISSNs: 0167-7187 (print)
Related URLs:
Keywords: innovation, knowledge capital, spillovers
Subjects: H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management
H Social Sciences > H Social Sciences (General)
H Social Sciences > HB Economic Theory
Divisions : University Structure - Pre August 2011 > School of Social Sciences > Economics
ePrint ID: 34877
Accepted Date and Publication Date:
Date Deposited: 19 May 2006
Last Modified: 31 Mar 2016 12:02
URI: http://eprints.soton.ac.uk/id/eprint/34877

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