DRAMOS: A Multi-Category Spatial Resource Allocation Model for Health Service Management and Planning

Mayhew, L.D. (1981). DRAMOS: A Multi-Category Spatial Resource Allocation Model for Health Service Management and Planning. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-81-039

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Abstract

This paper combines the main mathematical features and underlying theory of two IIASA health care resource allocation models, DRAM (Disaggregated resource allocation model) and RAMOS (resource allocation model over space), to produce a more general model with an enhanced range of possible applications. Although these models were developed independently, and for entirely separate reasons, the fact that the amalgamation can be achieved so simply implies an encouraging consistency in their respective formulations. The paper starts with a short critique of the current limitations of both models, in particular in those applications in which serious errors may arise. For each limitation described a remedy is proposed before the new model, DRAMOS, is developed in detail. It is shown in what way the new model departs from the parent models, how it can be calibrated to give it operational potential, and finally, how it may be applied in practice. For the latter, three elementary planning scenarios are developed to illustrate the potential of the model when it is applied in a region, London, that is known to have highly complex planning problems. The paper concludes with some proposals for further development.

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