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- La Distribucion En La Difusion De Innovaciones: Comparacion De Patrones Entre Paises Europeos

Author

Listed:
  • Francisco J. Más

    (Universidad de Alicante)

  • Enar Ruiz

    (Universidad de Alicante)

Abstract

The objective of this study is two-fold: First, we test the goodness of fit of different diffusion models that include the variable ¿distribution¿, and we then analyze the existence of the effects "country" and "time" in the parameters of diffusion currently employed in different European countries. The literature on the matter suggests, on the one hand, that the diffusion models applied so far that employ multi-equation systems, are not obviously better than other single-equation models that ignore marketing variables; and, on the other hand, that the socio-economic environment and the time-lag are both factors of the differences that the diffusion process offers among different geographical areas. As a novelty, our methodology proposes single-equation models that include the distribution, to which several indicators of the goodness of fit are applied, along with statistical tests on the differences in parameters among countries. The empirical application carried out in Spain, France and Italy demonstrates the superiority of the model proposed here, based on the Generalized Bass model. It also indicates a ¿country¿ effect, between Spain and France as well as between Italy and France. E1 objetivo de este trabajo es doble y consiste en contrastar la bondad de distintos modelos de difusión que incluyen la variable distribución, así como analizar la existencia de los efectos "país" y "tiempo" en los parámetros de difusión de diversos países europeos. La literatura sobre la materia sugiere, por un lado, que la modelización de la distribución realizada hasta la fecha en la difusión mediante sistemas de ecuaciones no presenta una superioridad manifiesta sobre otros modelos de ecuación única que ignoran variables de Marketing; y, por otro, que el entorno socioeconómico así como el retardo temporal constituyen factores determinantes de las diferencias que el proceso difusor ofrece entre zonas geográficas. Como novedad, la metodología utilizada propone diferentes modelos de ecuación única que incluyen la distribución, a los que se aplica varios indicadores de la bondad de ajuste, y tests estadísticos de diferencia de parámetros entre países. La aplicación empírica realizada en España, Francia e Italia evidencia la superioridad del modelo propuesto a partir del modelo de Bass Generalizado, así como un efecto país entre España y Francia e Italia y Francia.

Suggested Citation

  • Francisco J. Más & Enar Ruiz, 2001. "- La Distribucion En La Difusion De Innovaciones: Comparacion De Patrones Entre Paises Europeos," Working Papers. Serie EC 2001-11, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  • Handle: RePEc:ivi:wpasec:2001-11
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    File URL: http://www.ivie.es/downloads/docs/wpasec/wpasec-2001-11.pdf
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