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A WTP Model Showing the Relationships Between Three Approaches For Pollution



In this paper, a simple willingness to pay (WTP) model that shows the theoretical relationships among three valuation approaches that can be used to measure changes in health resulting from pollution is developed. The three valuation approaches considered are the contingent valuation (CV), cost of illness (COI) and the defensive behaviour approaches. After showing the relationships between the three valuation approaches, the model demonstrates that the CV approach exceeds the COI and the defensive behaviour approaches. The theoretical results are supported by field survey data. The pollution referred to in this paper is direct exposure to pesticides by farmers during handling and spraying on their farms.

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  • Dr Clevo I. Wilson, 1999. "A WTP Model Showing the Relationships Between Three Approaches For Pollution," Discussion Papers Series 268, School of Economics, University of Queensland, Australia.
  • Handle: RePEc:qld:uq2004:268

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    1. Whittington, Dale, 1998. "Administering contingent valuation surveys in developing countries," World Development, Elsevier, vol. 26(1), pages 21-30, January.
    2. Gerking, Shelby & Stanley, Linda R, 1986. "An Economic Analysis of Air Pollution and Health: The Case of St. Louis," The Review of Economics and Statistics, MIT Press, vol. 68(1), pages 115-121, February.
    3. Cropper, M L, 1981. "Measuring the Benefits from Reduced Morbidity," American Economic Review, American Economic Association, vol. 71(2), pages 235-240, May.
    4. Harrington, Winston & Portney, Paul R., 1987. "Valuing the benefits of health and safety regulation," Journal of Urban Economics, Elsevier, vol. 22(1), pages 101-112, July.
    5. Loehman, E. T. & Berg, S. V. & Arroyo, A. A. & Hedinger, R. A. & Schwartz, J. M. & Shaw, M. E. & Fahien, R. W. & De, V. H. & Fishe, R. P. & Rio, D. E., 1979. "Distributional analysis of regional benefits and cost of air quality control," Journal of Environmental Economics and Management, Elsevier, vol. 6(3), pages 222-243, September.
    6. Dickie, Mark & Gerking, Shelby, 1991. "Willingness to Pay for ozone control: Inferences from the demand for medical care," Journal of Environmental Economics and Management, Elsevier, vol. 21(1), pages 1-16, July.
    7. Courant, Paul N. & Porter, Richard C., 1981. "Averting expenditure and the cost of pollution," Journal of Environmental Economics and Management, Elsevier, vol. 8(4), pages 321-329, December.
    8. Murdoch, James C. & Thayer, Mark A., 1990. "The benefits of reducing the incidence of nonmelanoma skin cancers: A defensive expenditures approach," Journal of Environmental Economics and Management, Elsevier, vol. 18(2), pages 107-119, March.
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