Utilizad este identificador para citar o enlazar este documento: http://hdl.handle.net/2072/42892

Innovation sources and productivity in Catalonian firms: a quantile regression analysis
Segarra Blasco, Agustí; Teruel Carrizosa, Mercedes
Universitat Rovira i Virgili. Departament d'Economia
This paper explores the effects of two main sources of innovation - intramural and external R&D— on the productivity level in a sample of 3,267 Catalonian firms. The data set used is based on the official innovation survey of Catalonia which was a part of the Spanish sample of CIS4, covering the years 2002-2004. We compare empirical results by applying usual OLS and quantile regression techniques both in manufacturing and services industries. In quantile regression, results suggest different patterns at both innovation sources as we move across conditional quantiles. The elasticity of intramural R&D activities on productivity decreased when we move up the high productivity levels both in manufacturing and services sectors, while the effects of external R&D rise in high-technology industries but are more ambiguous in low-technology and knowledge-intensive services. JEL codes: O300, C100, O140 Keywords: Innovation sources, R&D, Productivity, Quantile Regression
2009
332 - Economia regional i territorial. Economia del sòl i de la vivenda
Empreses -- Innovacions
Investigació industrial
Productivitat industrial
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