Ex Post Welfare under Alternative Health Care Systems
AbstractThis paper studies the implications of a societal aversion to inequality for the optimal design of a public health care system. Inequality aversion is introduced by postulating a strictly concave ex post social welfare function. Illnesses are characterized by three factors: the agent's health with treatment, the agent's health without treatment, and the cost of treatment. It is shown that the optimal public health care system allocates health care differently than would private health insurance; speci?cally, people who are relatively unhealthy with and without treatment receive more health care, and people who are relatively healthy with and without treatment receive less health care. The aggregate quantity of health care under the optimal public health care system might be either greater or less than under private health care insurance. If the public health care system is optimally designed, allowing agents to purchase supplementary private health care insurance cannot raise social welfare and is likely to decrease it.
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Bibliographic InfoPaper provided by McMaster University in its series Department of Economics Working Papers with number 2007-05.
Length: 27 pages
Date of creation: Sep 2007
Date of revision:
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- John Leach, 2010. "Ex Post Welfare under Alternative Health Care Systems," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 12(6), pages 1027-1057, December.
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- Marc Fleurbaey, 2009. "Assessing risky social situations," LSE Research Online Documents on Economics 27006, London School of Economics and Political Science, LSE Library.
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