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Gravity for Health: an Application to State Mental Hospital Admissions in Texas

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  • de Mello-Sampayo, Felipa

Abstract

This paper discusses competing-destinations formulation of the gravity model for the flows of patients from their residential areas to health supplier regions. This approach explicitly acknowledges the interdependence of the patient flows between a set of alternative health supplier regions. This competing-destinations based approach may be implemented as a probabilistic demand function or conditional logit model, with a Poisson outcome. A Texas based case study of residential areas and State Mental Hospitals (SMHs) is presented. The results of the estimation do not lend support to the presence of scale effects in SMHs due to the size of population. This result, combined with the negative effect of ALOS and with the positive effect of the provision of forensic services on patient flows, highlights the problem of caseload growth in SMHs.

Suggested Citation

  • de Mello-Sampayo, Felipa, 2014. "Gravity for Health: an Application to State Mental Hospital Admissions in Texas," MPRA Paper 59758, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:59758
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    References listed on IDEAS

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    More about this item

    Keywords

    Gravity Model; Patients' Mobility; State Mental Hospital; Poisson Estimation;
    All these keywords.

    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)

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