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  • 标题:Estimation of the Spatial Weights Matrix under Structural Constraints
  • 本地全文:下载
  • 期刊名称:Dundee Discussion Papers in Economics / Department of Economic Studies, University of Dundee
  • 印刷版ISSN:1473-236X
  • 出版年度:2011
  • 卷号:1
  • 出版社:Dundee University
  • 摘要:While estimates of models with spatial interaction are very sen- sitive to the choice of spatial weights, considerable uncertainty sur- rounds deÖnition of spatial weights in most studies with cross-section dependence. We show that, in the spatial error model the spatial weights matrix is only partially identiÖed, and is fully identiÖed under the structural constraint of symmetry. For the spatial error model, we propose a new methodology for estimation of spatial weights under the assumption of symmetric spatial weights, with extensions to other important spatial models. The methodology is applied to regional housing markets in the UK, providing an estimated spatial weights matrix that generates several new hypotheses about the economic and socio-cultural drivers of spatial di§usion in housing demand.
  • 关键词:Keywords: Spatial econometrics; Spatial autocorrelation; Spatial weights matrix, Spatial error model; Housing demand; Gradient projection.
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