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Improved formulations to the hierarchical health facility location-allocation problem

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3 Author(s)
Tien, J.M. ; Rensselaer Polytech. Inst., Troy, NY, USA ; El-Tell, K. ; Simons, G.R.

A.B. Calvo and D.H. Marks (1973) formulated the problem of locating various types of health facilities, and allocating different types and levels of demand to these facilities, as a zero-one integer programming model. Although the model has been widely referenced in the literature no solution algorithm has been developed to date. It is shown in this work that the model is actually only locally inclusive and that it can be solved as a special case of another general, successively exclusive, model that is formulated and solved. A second model is presented that corrects for a shortcoming in the A.B. Calvo and D.H. Marks model and solves for the successively inclusive hierarchical location-allocation problem.

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:SMC-13 ,  Issue: 6 )