Bayesian Analysis of Spatial Panel Autoregressive Models With Time-Varying Endogenous Spatial Weight Matrices, Common Factors, and Random Coefficients

Xiaoyi Han and Lung-Fei Lee

Journal of Business & Economic Statistics, 2016, vol. 34, issue 4, 642-660

Abstract: This article examines spatial panel autoregressive (SAR) models with dynamic, time-varying endogenous spatial weights matrices, common factors, and random coefficients. An empirical application is on the spillover effects of state Medicaid spending. Endogeneity of spatial weights matrices comes from the correlation of “economic distance” and the disturbances in the SAR equation. Common factors control for common shocks to all states and random coefficients may capture heterogeneity in responses. The Bayesian Markov chain Monte Carlo (MCMC) estimation is developed. Identification of factors and factor loadings, and model selection issues based upon the deviance information criterion (DIC) are explored. We find that a state’s Medicaid related spending is positively and significantly affected by those of its neighbors. Both welfare motivated move and yardstick competition are possible sources of strategic interactions among state governments. Welfare motivated move turns out to be more a driving force for the interdependence and states do exhibit heterogenous responses.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:taf:jnlbes:v:34:y:2016:i:4:p:642-660

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DOI: 10.1080/07350015.2016.1167058

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