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Two special spatial weight matrices and their effects on estimation and testing in spatial regressions

Author

Listed:
  • Baltagi, Badi H.
  • Liu, Long

Abstract

This paper collects in one place some of the consequences of using two special spatial weight matrices in the spatial econometrics literature. The two weight matrices considered are the equal weight spatial matrix and the complete bipartite network. In particular, we summarize the effects of these special weight matrices on the statistical properties of commonly used spatial estimators as well as commonly used tests for spatial dependence.

Suggested Citation

  • Baltagi, Badi H. & Liu, Long, 2026. "Two special spatial weight matrices and their effects on estimation and testing in spatial regressions," Economics Letters, Elsevier, vol. 263(C).
    • Handle: RePEc:eee:ecolet:v:263:y:2026:i:c:s0165176526001011
    DOI: 10.1016/j.econlet.2026.112907

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    Keywords

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    JEL classification:

    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C31 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models

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