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Innovation Sources and Productivity: A Quantile Regression Analysis

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  • Agustí Segarra-Blasco

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    (Grup de Recerca en Indústria i Territori(GRIT), Departament d'Economia, Universitat Rovira i Virgili.)

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    Abstract

    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 Catalan 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 services industries.

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    File URL: http://www.pcb.ub.es/xreap/aplicacio/fitxers/XREAP2007-08.pdf
    File Function: First version, 2007
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    File URL: http://www.pcb.ub.es/xreap/aplicacio/fitxers/XREAP2007-08.pdf
    File Function: Revised version, 2007
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    Bibliographic Info

    Paper provided by Xarxa de Referència en Economia Aplicada (XREAP) in its series Working Papers with number XREAP2007-08.

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    Length: 17 pages
    Date of creation: Oct 2007
    Date of revision: Oct 2007
    Handle: RePEc:xrp:wpaper:xreap2007-08

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    Postal: Espai de Recerca en Economia, Facultat de Ciències Econòmiques i Empresarials, Universitat de Barcelona, c/ Tinent Coronel Valenzuela, 1-11, 08034 Barcelona
    Phone: +34+934039653
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    Web page: http://www.pcb.ub.edu/xreap
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    Related research

    Keywords: Innovation sources; R&D; Productivity; Quantile Regression;

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    References

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    1. Bruno Crépon & Emmanuel Duguet & Jacques Mairesse, 1998. "Research, Innovation and Productivity : An Econometric Analysis at the Firm Level," Working Papers 98-33, Centre de Recherche en Economie et Statistique.
    2. Gorg, Holger & Strobl, Eric & Ruane, Frances, 2000. " Determinants of Firm Start-Up Size: An Application of Quantile Regression for Ireland," Small Business Economics, Springer, vol. 14(3), pages 211-22, May.
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    Cited by:
    1. Christian Durán Weitkamp & Mónica Martín Bofarull & Federico Pablo Martí, 2008. "Economic effects of road accessibility in the Pyrenees: user perspective," Working Papers XREAP2008-01, Xarxa de Referència en Economia Aplicada (XREAP), revised Jan 2008.
    2. Anna Matas & José-Luís Raymond & José-Luís Roig, 2008. "Car ownership and access to jobs in Spain," Working Papers XREAP2008-03, Xarxa de Referència en Economia Aplicada (XREAP), revised Apr 2008.

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