The method of elimination and substitution in the GMM estimation of mixed regressive,spatial autoregressive models |
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Authors: | Lung-fei Lee |
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Institution: | Department of Economics, Ohio State University, 410 Arps Hall, 1945 N. High St., Columbus, OH 43210-1172, USA |
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Abstract: | This paper proposes a computationally simple GMM for the estimation of mixed regressive spatial autoregressive models. The proposed method explores the advantage of the method of elimination and substitution in linear algebra. The modified GMM approach reduces the joint (nonlinear) estimation of a complete vector of parameters into estimation of separate components. For the mixed regressive spatial autoregressive model, the nonlinear estimation is reduced to the estimation of the (single) spatial effect parameter. We identify situations under which the resulting estimator can be efficient relative to the joint GMM estimator where all the parameters are jointly estimated. |
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Keywords: | C13 C21 R15 |
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