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Erschienen in:
2015 | OriginalPaper | Buchkapitel
The Spatial Interactions Using the Gravity Model: Application at the Evaluation of Transport Efficiency at Constantine City, Algeria
verfasst von : Salim Boukebbab, Mohamed Salah Boulahlib
Erschienen in: Theory and Engineering of Complex Systems and Dependability
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The spatial interactions by definition represent a movement of people, freight or information between an origin and a destination. It is a relationship between transport demand and supply expressed over a geographical space. This method has a very particular importance in the transport geography, and relates how to estimate flows between locations, since these flows, known as spatial interactions, aim to evaluate the demand for transport services existing or potential. In this paper, the case study concerns the economic exchange in the Constantine city (which is a commune of north-eastern of Algeria) between the main towns (El-Khroub, Ain-Smara and Hamma-Bouziane) geographically belonging to the Constantine city. The gravity model is used, and it is the most common formulation of the spatial interaction method; it uses a similar formulation of Newton’s law of gravity.