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Mathys, Nicole

Nom
Mathys, Nicole
Affiliation principale
Fonction
Professeur associé
Email
nicole.mathys@unine.ch
Identifiants
https://libra.unine.ch/handle/123456789/515
_
0000-0002-4981-0333

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  • Publication
    Métadonnées seulement
    Sectoral agglomeration economies in a panel of European regions
    (2008-12-17)
    Brülhart, Marius
    ;
    Mathys, Nicole 
    We estimate agglomeration economies, defined as the effect of density on labour productivity in European regions. The analysis of Ciccone [Ciccone, A., 2002, Agglomeration effects in Europe, European Economic Review, 46 (2), 213-227.] is extended in two main ways. First, we use dynamic panel estimation techniques (system GMM), thus offering an alternative methodological treatment of the inherent endogeneity problem. Second, the sector dimension in the data allows for disaggregated estimation. Our results confirm the presence of significant agglomeration effects at the aggregate level, with an estimated long-run elasticity of 13%. Repeated cross-section regressions suggest that the strength of agglomeration effects has increased over time. At the sector level, the dominant pattern is of cross-sector "urbanisation" economies and own-sector congestion diseconomies. A notable exception is financial services, for which we find strong positive productivity effects from own-sector density.
  • Publication
    Métadonnées seulement
    Sectoral Agglomeration Economies in a Panel of European Regions
    (C.E.P.R. Discussion Papers, 2007)
    Brülhart, Marius
    ;
    Mathys, Nicole 
    We estimate agglomeration economies, defined as the effect of density on labour productivity in European regions. The analysis of Ciccone (2002) is extended in two main ways. First, we use dynamic panel estimation techniques (system GMM), thus offering an alternative methodological treatment of the inherent endogeneity problem. Second, the sector dimension in the data allows for disaggregated estimation. Our results confirm the presence of significant agglomeration effects at the aggregate level, with an estimated long-run elasticity of 13 percent. Repeated cross-section regressions suggest that the strength of agglomeration effects has increased over time. At the sector level, the dominant pattern is of cross-sector "urbanisation" economies and own-sector congestion diseconomies. A notable exception is financial services, for which we find strong positive productivity effects from own-sector density.