Dynamic Spatial Autoregressive Models with Autoregressive and Heteroskedastic Disturbances

Leopoldo Catania () and Anna Gloria Bill\'e
Authors registered in the RePEc Author Service: Anna Gloria Billé

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Abstract: We propose a new class of models specifically tailored for spatio-temporal data analysis. To this end, we generalize the spatial autoregressive model with autoregressive and heteroskedastic disturbances, i.e. SARAR(1,1), by exploiting the recent advancements in Score Driven (SD) models typically used in time series econometrics. In particular, we allow for time-varying spatial autoregressive coefficients as well as time-varying regressor coefficients and cross-sectional standard deviations. We report an extensive Monte Carlo simulation study in order to investigate the finite sample properties of the Maximum Likelihood estimator for the new class of models as well as its flexibility in explaining several dynamic spatial dependence processes. The new proposed class of models are found to be economically preferred by rational investors through an application in portfolio optimization.

Date: 2016-02, Revised 2023-01
New Economics Papers: this item is included in nep-ets, nep-geo and nep-ure
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Citations: View citations in EconPapers (4)

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Working Paper: Dynamic Spatial Autoregressive Models with Autoregressive and Heteroskedastic Disturbances (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1602.02542

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