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Spatial Unit Roots in Regressions: A Practitioner’s Guide and a Stata Package

Author

Listed:
  • Sascha Becker

    (Warwick University)

  • David Boll

    (Warwick University)

  • Hans-Joachim Voth

Abstract

Spatial unit roots can lead to spurious regression results. We present a brief overview of the methods developed in M ̈uller and Watson (2024) to test for and correct for spatial unit roots. We also introduce a suite of Stata commands (-spur-) implementing these techniques. Our commands exactly replicate results in M ̈uller and Watson (2024) using the same Chetty et al. (2014) data. We present a brief practitioner’s guide for applied researchers.

Suggested Citation

  • Sascha Becker & David Boll & Hans-Joachim Voth, 2025. "Spatial Unit Roots in Regressions: A Practitioner’s Guide and a Stata Package," RF Berlin - CReAM Discussion Paper Series 2502, Rockwool Foundation Berlin (RF Berlin) - Centre for Research and Analysis of Migration (CReAM).
    • Handle: RePEc:crm:wpaper:2502
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    More about this item

    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • C87 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Econometric Software
    • N0 - Economic History - - General
    • P0 - Political Economy and Comparative Economic Systems - - General
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
    • R15 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Econometric and Input-Output Models; Other Methods

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