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Modelos De Heterogeneidad Espacial

  • Coro Chasco Yrigoyen

    (Universidad Autónoma de Madrid)

La heterogeneidad espacial es uno de los efectos espaciales (además de la autocorrelación espacial, que es un efecto más conocido) que está relacionado con la diferenciación espacial o regional de las unidades geográficas. Se trata de un concepto que viene definido por la ausencia de estabilidad en el espacio del comportamiento humano o de otras relaciones en estudio. Esto implicará que, en los modelos espaciales, las formas funcionales y los parámetros variarán con la localización geográfica no siendo homogéneos para toda la matriz de datos. Esto es lo que ocurre, por ejemplo, en los modelos econométricos estimados con datos de corte transversal procedentes de unidades espaciales no similares, como es el caso de regiones ricas del norte y regiones pobres del sur. A diferencia de lo que sucede con la dependencia espacial, el problema causado por la heterogeneidad espacial podría en gran parte ser resuelto mediante procedimientos de la econometría estándar (como el análisis cluster). Sin embargo, en algunos casos, la compleja interacción resultante de la estructura y los flujos espaciales pueden generar dependencia espacial combinada con heterogeneidad espacial, haciéndose altamente complicado distinguir entre ambos efectos. En este artículo, se presentan las especificaciones que, para este efecto de heterogeneidad espacial, se han presentado en la literatura, que se acompañan de algunos ejemplos y de una bibliografía muy útil para quien desee profundizar en alguno de estos temas.

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File URL: http://128.118.178.162/eps/em/papers/0411/0411004.pdf
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Paper provided by EconWPA in its series Econometrics with number 0411004.

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Length: 15 pages
Date of creation: 08 Nov 2004
Date of revision:
Handle: RePEc:wpa:wuwpem:0411004
Note: Type of Document - pdf; pages: 15
Contact details of provider: Web page: http://128.118.178.162

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  1. Griffith, Daniel A., 1992. "A spatially adjusted N-way ANOVA model," Regional Science and Urban Economics, Elsevier, vol. 22(3), pages 347-369, September.
  2. Gustav Kristensen, 1998. "Spatial heterogeneity in Danish urban areas: The expansion method philosophy and variable autocorrelated residuals," ERSA conference papers ersa98p362, European Regional Science Association.
  3. Rosina Moreno Serrano & Manuel Artis Ortuno & Enrique Lopez Bazo & Jordi Surinach Caralt, 1997. "Evidence on the complex link between infrastructure and regional growth," Working Papers in Economics 19, Universitat de Barcelona. Espai de Recerca en Economia.
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