Optimizing locations through a maximum covering/p-median hierarchical model: Maternity hospitals in France

This article presents a hierarchical location-allocation model that combines a maximum covering model and p-center models. The objective herein is to adapt the spatial distribution of supply to various levels of demand. The model resolution step relies both on the myopic and Lagrangian relaxation al...

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Bibliographic Details
Published in:Journal of business research 2013-01, Vol.66 (1), p.127-132
Main Authors: Baray, Jérôme, Cliquet, Gérard
Format: Article
Language:English
Subjects:
Covering model
Decision making models
Economics and Finance
France
Hierarchical model
Hospitals
Humanities and Social Sciences
Lagrange multiplier
Location analysis
Location-allocation model
Maternity hospitals
Optimization algorithms
p-median
Pathology
Risk
Spatial distribution
Studies
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Summary:This article presents a hierarchical location-allocation model that combines a maximum covering model and p-center models. The objective herein is to adapt the spatial distribution of supply to various levels of demand. The model resolution step relies both on the myopic and Lagrangian relaxation algorithms and on an empirical study to optimize locations of the three levels of maternity hospitals found in France. Results show that 100 major sites cover 80% of the demand. If these models are able to maximize perinatal care accessibility, then they would choose, from among the best locations, the most centralized places for level 2 and 3 maternity hospitals, which correspond to higher premature birth risks and pathological pregnancies.
ISSN:0148-2963
1873-7978
DOI:10.1016/j.jbusres.2012.09.003