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¿Cuál matriz de pesos espaciales?. Un enfoque sobre selección de modelos

Herrera Gómez, Marcos and Mur Lacambra, Jesús and Ruiz Marín, Manuel (2011): ¿Cuál matriz de pesos espaciales?. Un enfoque sobre selección de modelos.

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Abstract

In spatial econometrics, it is customary to specify a weighting matrix, the so-called W matrix. The decision is important because the choice of W matrix determines the rest of the analysis. However, the procedure is not well defined and, usually, reflects the priors of the user. In the paper, we revise the literature looking for criteria to help with this problem. Also, a new nonparametric procedure is introduced. Our proposal is based on a measure of the information, conditional entropy, that uses information present in the data. We compare these alternatives by means of a Monte Carlo experiment.

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