Stochastic multi-objective auto-optimization for resource allocation decision-making in fixed-input health systems

Nathaniel D. Bastian, Tahir Ekin, Hyojung Kang, Paul M. Griffin, Lawrence V. Fulton, Benjamin C. Grannan

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The management of hospitals within fixed-input health systems such as the U.S. Military Health System (MHS) can be challenging due to the large number of hospitals, as well as the uncertainty in input resources and achievable outputs. This paper introduces a stochastic multi-objective auto-optimization model (SMAOM) for resource allocation decision-making in fixed-input health systems. The model can automatically identify where to re-allocate system input resources at the hospital level in order to optimize overall system performance, while considering uncertainty in the model parameters. The model is applied to 128 hospitals in the three services (Air Force, Army, and Navy) in the MHS using hospital-level data from 2009 – 2013. The results are compared to the traditional input-oriented variable returns-to-scale Data Envelopment Analysis (DEA) model. The application of SMAOM to the MHS increases the expected system-wide technical efficiency by 18 % over the DEA model while also accounting for uncertainty of health system inputs and outputs. The developed method is useful for decision-makers in the Defense Health Agency (DHA), who have a strategic level objective of integrating clinical and business processes through better sharing of resources across the MHS and through system-wide standardization across the services. It is also less sensitive to data outliers or sampling errors than traditional DEA methods.

Original languageEnglish (US)
Pages (from-to)246-264
Number of pages19
JournalHealth Care Management Science
Volume20
Issue number2
DOIs
StatePublished - Jun 1 2017

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Health Professions(all)

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