Weighting Ripley’s K-Function to Account for the Firm Dimension in the Analysis of Spatial Concentration

Diego Giuliani, Giuseppe Arbia () and Giuseppe Espa

International Regional Science Review, 2014, vol. 37, issue 3, 251-272

Abstract: The spatial concentration of firms has long been a central issue in economics under both the theoretical and the applied point of view mainly due to the important policy implications. A popular approach to its measurement, which does not suffer from the problem of the arbitrariness of the regional boundaries, makes use of micro data and looks at the firms as if they were dimensionless points distributed in the economic space. However, in practical circumstances the points (firms) observed in the economic space are far from being dimensionless and are conversely characterized by different dimension in terms of the number of employees, the product, the capital, and so on. In the literature, the works that originally introduce such an approach disregard the aspect of the different firm dimension and ignore the fact that a high degree of spatial concentration may result from the case of both many small points clustering in definite portions of space and only few large points clustering together (e.g., few large firms). We refer to this phenomenon as clustering of firms and clustering of economic activities . The present article aims at tackling this problem by adapting the popular K -function to account for the point dimension using the framework of marked point process theory.

Keywords: agglomeration; marked point processes; spatial clusters; spatial econometrics (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:inrsre:v:37:y:2014:i:3:p:251-272

DOI: 10.1177/0160017612461357

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