Spurious spatial regression with equal weights

Badi H. Baltagi, Long Liu

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

This note studies the Lee and Yu (2009) spurious regression model for the special case where the weight matrix is normalized and has equal elements, and where the nonstationarity is caused by near unit roots. It shows that spurious spatial regression will not occur in a spatially autoregressive (SAR) model when the spatial weight matrix is row-normalized and has equal weights. In fact, the asymptotic distribution of the OLS estimate will always converge to its true value zero. The only condition required is that the spatial coefficients of the dependent and independent variables be both less than 1, which is a requirement for the SAR model to be an equilibrium model.

Original languageEnglish (US)
Pages (from-to)1640-1642
Number of pages3
JournalStatistics and Probability Letters
Volume80
Issue number21-22
DOIs
StatePublished - Nov 1 2010

Keywords

  • Equal weights
  • Spatial autocorrelation
  • Spurious spatial regression

ASJC Scopus subject areas

  • Statistics and Probability
  • Statistics, Probability and Uncertainty

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