Aplicação da econometria espacial, com métodos "cross-section" e em painel, na análise dos efeitos "spillovers" na produtividade dos sectores económicos das regiões portuguesas
Abstract
A consideração de efeitos espaciais nas análises realizadas com unidades espaciais (regiões, etc) é cada vez mais frequente e para isso, entre outros, contribuiu o trabalho de Anselin (1988). Pelo que neste estudo analisa-se, através de métodos de estimação “cross-section” e em painel, a influência dos efeitos espaciais na produtividade (produto por trabalhador) dos sectores económicos das NUTs III de Portugal Continental, considerando relação de Verdoorn.
Constata-se que a produtividade está sujeita a autocorrelação positiva, sobretudo, nos serviços e na totalidade dos serviços e eventualmente na indústria. Os efeitos “spillovers” espaciais “spatial lag” e “spatial error” têm influência na relação de Verdoorn dos sectores económicos das regiões portuguesas, no período considerado (1995-1999).
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