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Waiting Times and Cost Sharing for a Public Health Care Service with a Private Alternative: A Multi-agent Approach

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  • Vincenzo Rebba

    () (Department of Economic Sciences, University Of Padova)

  • Dino Rizzi

    () (Department of Economics, University Of Venice Ca� Foscari)

Abstract

Cost sharing represent a well-established tool for the control of health care demand in many Oecd countries, even though it is used with caution, and in combination with other instruments, in order to avoid potential negative impacts on access to essential health care services. Waiting lists and waiting times represent an alternative (and implicit) way to control demand in public health care systems, even though rationing by waiting may be an inferior solution to cost-sharing in terms of welfare. This paper focuses on the use of waiting times, cost-sharing, and other tools (in particular, priority and appropriateness criteria) in order to control demand for a public outpatient health service in presence of a fully paid out-of-pocket private alternative. We develop an agent-based model where heterogeneous agents maximise their individual utility based on income and health status. On this basis, we develop some computational experiments based on micro-simulations that offer some useful insights for health care policy. In particular, we show that: i) the presence of a private alternative to public treatment can improve social welfare and health equity in a NHS, when public supply is constrained by a fixed budget and longer waiting times than the private one; ii) using prioritisation of waiting lists without any copayment to control the demand for public treatment may produce high performances in terms of social welfare, health equality and policy efficiency; iii) applying a moderate copayment rate as a tool to control public demand could determine the same policy efficiency of using only priority lists, if the copayment revenues are used to fund the public provision.

Suggested Citation

  • Vincenzo Rebba & Dino Rizzi, 2011. "Waiting Times and Cost Sharing for a Public Health Care Service with a Private Alternative: A Multi-agent Approach," Working Papers 2011_18, Department of Economics, University of Venice "Ca' Foscari".
  • Handle: RePEc:ven:wpaper:2011_18
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    References listed on IDEAS

    as
    1. Acton, Jan Paul, 1975. "Nonmonetary Factors in the Demand for Medical Services: Some Empirical Evidence," Journal of Political Economy, University of Chicago Press, vol. 83(3), pages 595-614, June.
    2. Felder, Stefan, 2008. "To wait or to pay for medical treatment? Restraining ex-post moral hazard in health insurance," Journal of Health Economics, Elsevier, vol. 27(6), pages 1418-1422, December.
    3. Iversen, Tor, 1997. "The effect of a private sector on the waiting time in a national health service," Journal of Health Economics, Elsevier, vol. 16(4), pages 381-396, August.
    4. Luigi Siciliani, 2008. "A note on the dynamic interaction between waiting times and waiting lists," Health Economics, John Wiley & Sons, Ltd., vol. 17(5), pages 639-647.
    5. Farnworth, Michael G., 2003. "A game theoretic model of the relationship between prices and waiting times," Journal of Health Economics, Elsevier, vol. 22(1), pages 47-60, January.
    6. Mullen, Penelope M., 2003. "Prioritising waiting lists: how and why?," European Journal of Operational Research, Elsevier, vol. 150(1), pages 32-45, October.
    7. Gravelle, Hugh & Siciliani, Luigi, 2008. "Optimal quality, waits and charges in health insurance," Journal of Health Economics, Elsevier, vol. 27(3), pages 663-674, May.
    8. Carol Propper, 1995. "The Disutility of Time Spent on the United Kingdom's National Health Service Waiting Lists," Journal of Human Resources, University of Wisconsin Press, vol. 30(4), pages 677-700.
    9. Pauly, Mark V. & Blavin, Fredric E., 2008. "Moral hazard in insurance, value-based cost sharing, and the benefits of blissful ignorance," Journal of Health Economics, Elsevier, vol. 27(6), pages 1407-1417, December.
    10. Gilberto Muraro & Vincenzo Rebba, 2010. "Individual Rights and Duties in Health Policy," Rivista Internazionale di Scienze Sociali, Vita e Pensiero, Pubblicazioni dell'Universita' Cattolica del Sacro Cuore, vol. 118(3), pages 379-396.
    11. Martin, Stephen & Smith, Peter C., 1999. "Rationing by waiting lists: an empirical investigation," Journal of Public Economics, Elsevier, vol. 71(1), pages 141-164, January.
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    More about this item

    Keywords

    health care demand; private provision; waiting times; cost-sharing; equity; agent-based model;

    JEL classification:

    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques

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