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Maps Of Continuous Spatial Dependence

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  • Fernando LOPEZ

    ()
    (Department of Quantitative Methods and Computing, Technical University of Cartagena (Spain))

  • Ana ANGULO

    ()
    (Department of Economic Analysis, University of Zaragoza (Spain))

  • Jesús MUR

    ()
    (Department of Economic Analysis, University of Zaragoza (Spain))

Abstract

Heterogeneity is one of the distinguishing features in spatial econometric models. It is a frequent problem in applied work and can be very damaging for statistical inference. In this paper, we focus on the problems implied by the existence of instabilities in the mechanism of spatial dependence in a spatial lag model, assuming that the other terms of the specification remain stable. We begin the discussion with the role played by the algorithms of local estimation in detecting the instabilities. Problems appear when one must decide what to do once the existence of heterogeneity has been confirmed. The logical reaction is trying to parameterize this lack of stability. However, the solution is not obvious. Assuming that a set of indicators related to the problem has been identified, we propose a simple technique to deal with the unknown functional form. In the final part of the paper, we present some Monte Carlo evidence and an application to evaluate the instability in the mechanisms of spatial dependence in the convergence process of the European Regions.

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File URL: http://region-developpement.univ-tln.fr/fr/pdf/R30/5-Lopez_Angulo_Mur-pourpdf.pdf
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Bibliographic Info

Article provided by Region et Developpement, LEAD, Universite du Sud - Toulon Var in its journal Région et Développement.

Volume (Year): 30 (2009)
Issue (Month): ()
Pages: 11-34

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Handle: RePEc:tou:journl:v:30:y:2009:p:11-34

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Related research

Keywords: DEPENDENCE; LOCAL ESTIMATION; MONTE-CARLO; SPATIAL INSTABILITY;

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  1. Julie Le Gallo & Sandy Dall'erba, 2006. "Evaluating the Temporal and Spatial Heterogeneity of the European Convergence Process, 1980-1999," Journal of Regional Science, Wiley Blackwell, vol. 46(2), pages 269-288.
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Cited by:
  1. Jesús Mur & Fernando López & Ana Angulo, 2010. "Instability in spatial error models: an application to the hypothesis of convergence in the European case," Journal of Geographical Systems, Springer, vol. 12(3), pages 259-280, September.

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