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Demand for hospital care and private health insurance in a mixed publicprivate system: empirical evidence using a simultaneous equation modeling approach

  • Chai Cheng, T;
  • Vahid, F;

This paper examines the determinants of hospital stay intensity, the decision to seek hospital care as a public or private patient and the decision to purchase private hospital insurance. We describe a theoretical model to motivate the simultaneous nature of these decisions. For the empirical analysis, we develop a simultaneous equation econometric model that accommodates the count data nature of length of stay and the binary nature of the patient type and insurance decisions. The model also accounts for the endogeneity of the patient type and insurance binary variables. The results suggest that there is some weak evidence of endogeneity between the decision to purchase insurance and the intensity of hospital use. We do not ¯nd signi¯cant moral hazard effects of private hospital insurance on the intensity of private hospital care. The results also indicate that the length of hospital stay for private patients is shorter than for public patients.

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Paper provided by HEDG, c/o Department of Economics, University of York in its series Health, Econometrics and Data Group (HEDG) Working Papers with number 10/25.

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Date of creation: Oct 2010
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Handle: RePEc:yor:hectdg:10/25
Contact details of provider: Postal: HEDG/HERC, Department of Economics and Related Studies, University of York, York, YO10 5DD, United Kingdom
Phone: (0)1904 323776
Fax: (0)1904 323759
Web page: http://www.york.ac.uk/economics/postgrad/herc/hedg/
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  17. Blundell, Richard, 2010. "Comments on: Michael P. Keane 'Structural vs. atheoretic approaches to econometrics'," Journal of Econometrics, Elsevier, vol. 156(1), pages 25-26, May.
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