An efficient GMM estimator of spatial autoregressive models

Xiaodong Liu, Lung-Fei Lee and Christopher Bollinger

Journal of Econometrics, 2010, vol. 159, issue 2, 303-319

Abstract: In this paper, we consider GMM estimation of the regression and MRSAR models with SAR disturbances. We derive the best GMM estimator within the class of GMM estimators based on linear and quadratic moment conditions. The best GMM estimator has the merit of computational simplicity and asymptotic efficiency. It is asymptotically as efficient as the ML estimator under normality and asymptotically more efficient than the Gaussian QML estimator otherwise. Monte Carlo studies show that, with moderate-sized samples, the best GMM estimator has its biggest advantage when the disturbances are asymmetrically distributed. When the diagonal elements of the spatial weights matrix have enough variation, incorporating kurtosis of the disturbances in the moment functions will also be helpful.

Keywords: Spatial; autoregressive; models; Spatial; correlated; disturbances; GMM; QMLE; Efficiency (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (101)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:159:y:2010:i:2:p:303-319

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