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Agglomeration and the Italian North-South divide

Author

Listed:
  • Luigi Buzzacchi

    (Politecnico di Torino)

  • Antonio De Marco

    (Politecnico di Torino)

  • Marcello Pagnini

    (Bank of Italy)

Abstract
This paper offers novel evidence on agglomeration economies by examining the link between total factor productivity (TFP) and employment density in Italy. TFP is estimated for a large sample of manufacturing firms and then aggregated at the level of Local Labor Market Areas (LLMAs). We tackle the endogeneity issues stemming from the presence of omitted covariates and reverse causation with an instrumental variable (IV) approach that relies on his-torical and geological data. Our estimate of the TFP elasticity with respect to the spatial con-centration of economic activities is about 6%, a magnitude comparable to that measured for other developed countries. We find that the TFP-density nexus contributes to explaining a large share of the substantial productivity gap between the northern and southern regions of Italy. We also show that no significant heterogeneity emerges in the intensity of agglomera-tion economies across the country and that the positive TFP difference in favor of the firms located in the North is not due to the tougher competition taking place in those areas.

Suggested Citation

  • Luigi Buzzacchi & Antonio De Marco & Marcello Pagnini, 2021. "Agglomeration and the Italian North-South divide," Questioni di Economia e Finanza (Occasional Papers) 637, Bank of Italy, Economic Research and International Relations Area.
    • Handle: RePEc:bdi:opques:qef_637_21
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    More about this item

    Keywords

    agglomeration economies; density; total factor productivity; regional disparities; selection effects;
    All these keywords.

    JEL classification:

    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
    • R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Regional Migration; Regional Labor Markets; Population

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