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Title: Competitive multifacility location on networks: The (r∣Xp)-medianoid problem
Authors: Suárez Vega, Rafael Ricardo 
Santos Peñate, Dolores Rosa 
Dorta González, Pablo 
UNESCO Clasification: 531004 Operaciones comerciales internacionales
Keywords: Localización de mercados
Modelos económetricos
Issue Date: 2004
Publisher: 0022-4146
Journal: Journal of Regional Science 
Abstract: We investigate the (r∣Xp)‐medianoid problem for networks. This is a competitive location problem that consists of determining the locations of r facilities belonging to a firm in order to maximize its market share in a space where a competitor is already operating with p facilities. We consider six scenarios resulting from the combination of three customer choice rules (binary, partially binary, and proportional) with two types of services (essential and unessential). Known discretization results about the existence of a solution for the set of nodes are extended. Some examples and computational experience using heuristic algorithms are presented.
ISSN: 0022-4146
DOI: 10.1111/j.0022-4146.2004.00349.x
Source: Journal of Regional Science [ISSN 0022-4146], v. 44 (3), p. 569-588
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