A compelling argument for the gravity p-median model

Kenneth Carling and Johan Håkansson

European Journal of Operational Research, 2013, vol. 226, issue 3, 658-660

Abstract: The p-median model is used to locate P facilities to serve a geographically distributed population. Conventionally, it is assumed that the population always travels to the nearest facility. Drezner and Drezner (2006, 2007) re-estate three arguments on why this assumption might be incorrect, and they introduce the gravity p-median model to relax the assumption. We favor the gravity p-median model, but we note that in an applied setting, the three arguments are incomplete. In this communication, we point at the existence of a fourth compelling argument for the gravity p-median model.

Keywords: Travel time; Spatial aggregation; Multi-purpose trips (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:226:y:2013:i:3:p:658-660

DOI: 10.1016/j.ejor.2012.11.041

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