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Risk and uncertainty in health investment

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  • Takao Asano

    ()

  • Akihisa Shibata

    ()

Abstract

Extending the Grossman [12] model of health capital into a stochastic one, we analyze how the presence of Knightian uncertainty about the efficacy of health care affects the optimal health investment behavior of individuals. Using Gilboa and Schmeidler's [11] model of maxmin expected utility (MMEU) with multiple priors, we show that an agent retains the initial level of health capital if the price of health care lies within a certain range. We also show that the no-investment range expands as the degree of Knightian uncertainty rises.

(This abstract was borrowed from another version of this item.)

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Bibliographic Info

Article provided by Springer in its journal The European Journal of Health Economics.

Volume (Year): 12 (2011)
Issue (Month): 1 (February)
Pages: 79-85

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Handle: RePEc:spr:eujhec:v:12:y:2011:i:1:p:79-85

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Related research

Keywords: Health investment; Risk; Uncertainty; D81; I11;

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References

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  1. Selden, Thomas M., 1993. "Uncertainty and health care spending by the poor: The health capital model revisited," Journal of Health Economics, Elsevier, vol. 12(1), pages 109-115, April.
  2. Dardanoni, Valentino & Wagstaff, Adam, 1987. "Uncertainty, inequalities in health and the demand for health," Journal of Health Economics, Elsevier, vol. 6(4), pages 283-290, December.
  3. Laibson, David I., 1997. "Golden Eggs and Hyperbolic Discounting," Scholarly Articles 4481499, Harvard University Department of Economics.
  4. Marcus Berliant & Hideo Konishi, 2004. "Salience: Agenda Choices by Competing Candidates," Game Theory and Information 0407003, EconWPA.
  5. Chang, Fwu-Ranq, 1996. "Uncertainty and investment in health," Journal of Health Economics, Elsevier, vol. 15(3), pages 369-376, June.
  6. Nishimura, Kiyohiko G. & Ozaki, Hiroyuki, 2007. "Irreversible investment and Knightian uncertainty," Journal of Economic Theory, Elsevier, vol. 136(1), pages 668-694, September.
  7. W. Pesendorfer & F. Gul, 1999. "Temptation and Self-Control," Princeton Economic Theory Papers 99f1, Economics Department, Princeton University.
  8. Grossman, Michael, 1972. "On the Concept of Health Capital and the Demand for Health," Journal of Political Economy, University of Chicago Press, vol. 80(2), pages 223-55, March-Apr.
  9. Picone, Gabriel & Uribe, Martin & Mark Wilson, R., 1998. "The effect of uncertainty on the demand for medical care, health capital and wealth," Journal of Health Economics, Elsevier, vol. 17(2), pages 171-185, April.
  10. David Schmeidler, 1989. "Subjective Probability and Expected Utility without Additivity," Levine's Working Paper Archive 7662, David K. Levine.
  11. Adam Oliver, 2000. "Uncertainty aversion: a reply to the paper by Andersson and Lyttkens," Health Economics, John Wiley & Sons, Ltd., vol. 9(3), pages 253-255.
  12. Dow, James & Werlang, Sergio Ribeiro da Costa, 1992. "Uncertainty Aversion, Risk Aversion, and the Optimal Choice of Portfolio," Econometrica, Econometric Society, vol. 60(1), pages 197-204, January.
  13. Peter P. Wakker, 2000. "Uncertainty aversion: a discussion of critical issues in health economics," Health Economics, John Wiley & Sons, Ltd., vol. 9(3), pages 261-263.
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Cited by:
  1. Bolin, Kristian & Lindgren, Björn, 2014. "Non-monotonic health behaviours - implications for individual health-related behaviour in a demand-for-health framework," Working Papers in Economics 588, University of Gothenburg, Department of Economics.

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