A TWO-STEP ESTIMATOR FOR A SPATIAL LAG MODEL OF COUNTS: THEORY, SMALL SAMPLE PERFORMANCE AND AN APPLICATION

Dayton Lambert, Jason Brown and Raymond Florax

No 59780, Working papers from Purdue University, Department of Agricultural Economics

Abstract: Several spatial econometric approaches are available to model spatially correlated disturbances in count models, but there are at present no structurally consistent count models incorporating spatial lag autocorrelation. A two-step, limited information maximum likelihood estimator is proposed to fill this gap. The estimator is developed assuming a Poisson distribution, but can be extended to other count distributions. The small sample properties of the estimator are evaluated with Monte Carlo experiments. Simulation results suggest that the spatial lag count estimator achieves gains in terms of bias over the aspatial version as spatial lag autocorrelation and sample size increase. An empirical example deals with the location choice of single-unit start-up firms in the manufacturing industry in the US between 2000 and 2004. The empirical results suggest that in the dynamic process of firm formation, counties dominated by firms exhibiting (internal) increasing returns to scale are at a relative disadvantage even if localization economies are present.

Keywords: Community/Rural/Urban Development; Land Economics/Use; Research and Development/Tech Change/Emerging Technologies (search for similar items in EconPapers)
Pages: 28
Date: 2010-03
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Citations: View citations in EconPapers (43)

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Related works:
Journal Article: A two-step estimator for a spatial lag model of counts: Theory, small sample performance and an application (2010)
Working Paper: A TWO-STEP ESTIMATOR FOR A SPATIAL LAG MODEL OF COUNTS: THEORY, SMALL SAMPLE PERFORMANCE AND AN APPLICATION (2010)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:puaewp:59780

DOI: 10.22004/ag.econ.59780

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