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A Lifetime Portfolio of Risky and Risk-Free Sexual Behaviour and the Prevalence of AIDS

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Abstract

A lifetime portfolio of risky and risk-free sexual activities is conceptually constructed in this paper. People's time allocation between risky and risk-free sexual activities affects, and is affected by, the prevalence of AIDS. A small satisfaction differential between risky sex and risk-free sex can lead to a significant prevalence of AIDS. Numerical simulations suggest that the reduction in the prevalence of AIDS generated by a one percent improvement in the sensual quality of freely distributed condoms can be 0.855 percent when the initial satisfaction differential between risky sex and risk-free sex is 50 percent, or 0.464 percent when the initial satisfaction differential is 100 percent.

Suggested Citation

  • Levy, A., 2000. "A Lifetime Portfolio of Risky and Risk-Free Sexual Behaviour and the Prevalence of AIDS," Economics Working Papers wp01-04, School of Economics, University of Wollongong, NSW, Australia.
    • Handle: RePEc:uow:depec1:wp01-04
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    1. Thompson, Velma Montoya, 1989. "AIDS Testing: An Economic Assessment of Evolving Public Policy," Economic Inquiry, Western Economic Association International, vol. 27(2), pages 259-269, April.
    2. J. Tobin, 1958. "Liquidity Preference as Behavior Towards Risk," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 25(2), pages 65-86.
    3. Michael Kremer, 1996. "Integrating Behavioral Choice into Epidemiological Models of AIDS," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(2), pages 549-573.
    4. John C. Caldwell, 2000. "Rethinking the African AIDS Epidemic," Population and Development Review, The Population Council, Inc., vol. 26(1), pages 117-135, March.
    5. William F. Sharpe, 1964. "Capital Asset Prices: A Theory Of Market Equilibrium Under Conditions Of Risk," Journal of Finance, American Finance Association, vol. 19(3), pages 425-442, September.
    6. Avner Ahituv & V. Joseph Hotz & Tomas Philipson, 1996. "The Responsiveness of the Demand for Condoms to the Local Prevalence of AIDS," Journal of Human Resources, University of Wisconsin Press, vol. 31(4), pages 869-897.
    7. Michael Kremer, 1996. "Integrating Behavioral Choice into Epidemiological Models of the AIDS Epidemic," NBER Working Papers 5428, National Bureau of Economic Research, Inc.
    8. Richard H. Thaler, 2000. "From Homo Economicus to Homo Sapiens," Journal of Economic Perspectives, American Economic Association, vol. 14(1), pages 133-141, Winter.
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    Cited by:

    1. Levy, Amnon, 2005. "Health-Risking Informal Service: Price, Prevalence and Law Enforcement," Economics Working Papers wp05-13, School of Economics, University of Wollongong, NSW, Australia.
    2. Caputo, Michael R. & Levy, Amnon, 2012. "A theory of mood-influenced consumption and investment in health," Mathematical Social Sciences, Elsevier, vol. 63(3), pages 218-227.
    3. Levy, Amnon, 2002. "A Theory of Rational Junk-Food Consumption," Economics Working Papers wp02-11, School of Economics, University of Wollongong, NSW, Australia.
    4. Levy, Amnon, 2003. "Environmental Hazard and Residential Value, Location and Dispersion," Economics Working Papers wp03-16, School of Economics, University of Wollongong, NSW, Australia.
    5. Levy, Amnon, 2007. "A Mean-Variance Portfolio Analysis of the Demand and Supply of a Potentially Infectious Service," Economics Working Papers wp07-02, School of Economics, University of Wollongong, NSW, Australia.
    6. Levy, Amnon, 2006. "Junk Food, Health and Productivity: Taste, Price, Risk and Rationality," Economics Working Papers wp06-22, School of Economics, University of Wollongong, NSW, Australia.
    7. Chris Papageorgiou & Petia Stoytcheva, 2005. "What Do We Know About the Impact of AIDS on Cross-Country Income So Far?," Departmental Working Papers 2005-01, Department of Economics, Louisiana State University.
    8. Levy, Amnon, 2007. "A theoretical analysis of rational diet of healthy and junk foods," Economics Working Papers wp07-01, School of Economics, University of Wollongong, NSW, Australia.
    9. Levy, Amnon, 2003. "A Theory of LTR Junk-food Consumption," Economics Working Papers wp03-06, School of Economics, University of Wollongong, NSW, Australia.
    10. Amnon Levy, 2011. "Physiological, Gastronomic and Budgetary Aspects and the Diets of Perfectly and Imperfectly Lifetime-Rational Consumers," Economics Working Papers wp11-13, School of Economics, University of Wollongong, NSW, Australia.
    11. Mario Andres Fernandez & Douglas Shaw, 2013. "Willingness to pay for intervention policies related to HIV/AIDS: a theoretical framework with endogenous risk, perceived effectiveness and altruism," Economics Bulletin, AccessEcon, vol. 33(2), pages 1457-1467.

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    Keywords

    TECHNOLOGY ; PRICING ; ECONOMIC MODELS;
    All these keywords.

    JEL classification:

    • I19 - Health, Education, and Welfare - - Health - - - Other
    • J17 - Labor and Demographic Economics - - Demographic Economics - - - Value of Life; Foregone Income
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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