Equity maximizing facility location schemes

Equity maximizing facility location schemes

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Article ID: iaor19901007
Country: United States
Volume: 24
Issue: 2
Start Page Number: 137
End Page Number: 144
Publication Date: May 1990
Journal: Transportation Science
Authors: ,
Keywords: location
Abstract:

A plethora of methods exists for finding cost minimizing facility locations. However, it is generally true that once optimal locations have been found, the benefits derived from the facilities will not be distributed equally across customers due to differences in travel costs. Though some schemes aimed at providing more equitable facility locations have been proposed, none of these schemes are fully satisfactory in that there are always customers who are winners or losers with respect to the cost of travel. In this paper, the authors address the equity question using taxes (in the case of a central authority) or side payments (in the case of cooperating authorities) to redress benefit inequities. They show that the usual distance minimizing facility location formulations are still optimal, providing a very simple tax or side payment scheme is used to equalize benefits for all customers in the system. In the event that taxes or side payments cannot be utilized, the present analysis leads to a natural method for locating facilities to minimize inequalities. For the case of a single facility, the complexity of the approach is O(n4), where n is the number of customer demand points (nodes) in the service network.

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