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Patents, Technological Inputs And Spillovers Among Regions

  • Mercedes Gumbau Albert

    ()

    (Universitat de València)

  • Joaquín Maudos Villarroya

    (Instituto Valenciano de Investigaciones Económicas)

This paper analyses the importance of different technological inputs (R&D and human capital) and different spillovers in explaining the differences in patenting among Spanish regions in the period 1986-2003. The analysis is based on the estimation of a knowledge production function. A region¿s own R&D activities and human capital are observed to have a positive significant effect on innovation output, measured by the number of patents. R&D spillovers weighted by the distance and the volume of trade flows between regions cause positive effects on a region¿s patents. However, distance matters more than the intensity of trade flows and the R&D spillover effects between regions are bounded: spillovers from closer regions perform better than spillovers from distant regions. On the opposite side, human capital spillovers do not cause any effect outside the region itself. El trabajo analiza la importancia de diferentes inputs tecnológicos (I+D y capital humano) y sus correspondientes efectos spillover en la explicación de las diferencias en la propensión a patentar de la regiones españolas en el periodo 1986-2003. El análisis se basa en la estimación de una función de producción de conocimiento. Los resultados indican que el gasto en I+D y el capital humano de cada región afectan positivamente a la actividad innovadora (nmero de patentes). Los efectos spillover asociados al gasto en I+D (ponderados por la distancia kilométrica y los flujos comerciales) afectan positivamente al número de patentes. Sin embargo, la distancia importa más que la intensidad de los flujos comerciales. Los spillovers tecnológicos están acotados ya que son más importantes los asociados a las regiones más próximas. Por el contrario, los efectos spillover procedentes del capital humano no tienen efectos fuera de la propia region considerada.

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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie EC with number 2006-11.

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Length: 28 pages
Date of creation: Oct 2006
Date of revision:
Publication status: Published by Ivie
Handle: RePEc:ivi:wpasec:2006-11
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