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Innovación e comercio: Estimación dun modelo dinámico de datos de panel con coeficientes heteroxéneos

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  • Xulia Guntín Araujo

    (Dpto. de Métodos Cuantitativos para a Economía e a Empresa. Universidade de Santiago de Compostela)

Abstract

The objective of this paper is to estimate a dynamic panel data model with heterogeneous coefficients. Since usual “within” estimators do not have good properties in an autoregressive model, we introduce instrumental variables for a fixed effects model, by adapting the method used by Balestra and Nerlove (1966) for a model with random effects. This methodology permits us to identify the importance of sectorial and national effects in the relation between innovation and international trade, based on the existence of different sectorial patterns in the innovation process, as well as in the characteristics of National Systems of Innovation which influence the effect of technology on the configuration of trade patterns.

Suggested Citation

  • Xulia Guntín Araujo, 2001. "Innovación e comercio: Estimación dun modelo dinámico de datos de panel con coeficientes heteroxéneos," Documentos de trabajo - Analise Economica 0017, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.
    • Handle: RePEc:edg:anecon:0017
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    Keywords

    Panel data; heterogeneous coefficients; instrumental variables; innovation; international trade;
    All these keywords.

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