a Gaussian Markov random field approach to convergence analysis

Giuseppe Arbia, L. Ippoliti, L. Romagnoli

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

4 Citazioni (Scopus)

Abstract

Spatial models have been widely applied in the context of growth regressions with spatial spillovers usually modelled by simultaneous autoregressions (SAR). Although largely used, such a class of models present some logical difficulties connected with the error behaviour, the lack of identifiability of the model parameters and their substantive interpretation. To overcome these logical pitfalls, in this paper we introduce a new specification of regional growth regressions by applying multivariate Gaussian Markov random fields (GMRFs). We discuss the theoretical properties of the proposed model and show some empirical results on the economic growth pattern of 254 NUTS-2 European regions in the period 1992–2006. We show that the proposed GMRF model is able to capture the complexity of the phenomenon including the possibility of estimating site-specific convergence parameters which may highlight clustering of regions and spatial heterogeneities in the speed of convergence.
Lingua originaleEnglish
pagine (da-a)78-90
Numero di pagine13
RivistaSpatial Statistics
Volume2013
Stato di pubblicazionePubblicato - 2013

Keywords

  • Convergence analysis
  • Gaussian Markov random fields
  • Simultaneous autoregressions
  • β-convergence model

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