Spatial Interaction Modelling in Retail Planning Practice: The Need for Robust Statistical Methods

C M Guy
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C M Guy: Department of City and Regional Planning, University of Wales College of Cardiff, PO Box 906, Cardiff CF1 3YN, Wales

Environment and Planning B, 1991, vol. 18, issue 2, 191-203

Abstract: Some recent developments in ‘gravity’ modelling of shopping behaviour are reviewed, in the light of Breheny's comments on their increasing level of use in commercial forecasting of retail activity. It is shown that the well-known singly constrained ‘retail potential’ model can be transformed into a Poisson regression model. This allows much more flexible specification of models, and simpler calibration procedures using generalised linear modelling software. These arguments are illustrated in analyses of shopping diary records from a British city. This approach is shown to be consistent with regression-based forecasting methods which are already used in commercial retail planning practice.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:sae:envirb:v:18:y:1991:i:2:p:191-203

DOI: 10.1068/b180191

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