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Functional Forms, Sampling Considerations, and Estimation of Demand for Protected Natural Areas: The CÌes Islands Case Study in Galicia (Spain)

Author

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  • Manuel González Gómez

    (Departamento de Economía Aplicada. Universidade de Vigo.)

  • Philippe Polomé

    (Departamento de Economía Aplicada. Universidade de Vigo.)

  • Albino Prada Blanco

    (Departamento de Economía Aplicada. Universidade de Vigo.)

Abstract

In this paper, we present estimates of several models of demand for a natural area using data from surveys on visitors and non-visitors. The estimates take into account the problems of: demand specification, measurement of the cost and of the demand, choosing sampling scheme, and handling the sample. Considering these alternatives allows us to select a model of demand under improved conditions and frees us from initial restrictive hypothesis. The results in terms of prediction of demand and consumer surplus estimates are quite dissimilar, stressing the importance of comparing various models that encompass the range of possible options.

Suggested Citation

  • Manuel González Gómez & Philippe Polomé & Albino Prada Blanco, 2001. "Functional Forms, Sampling Considerations, and Estimation of Demand for Protected Natural Areas: The CÌes Islands Case Study in Galicia (Spain)," Documentos de trabajo - Analise Economica 0016, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.
  • Handle: RePEc:edg:anecon:0016
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    References listed on IDEAS

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    1. Santos Silva, J. M. C., 1997. "Unobservables in count data models for on-site samples," Economics Letters, Elsevier, vol. 54(3), pages 217-220, July.
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    4. Englin, Jeffrey & Shonkwiler, J S, 1995. "Estimating Social Welfare Using Count Data Models: An Application to Long-Run Recreation Demand under Conditions of Endogenous Stratification and Truncation," The Review of Economics and Statistics, MIT Press, vol. 77(1), pages 104-112, February.
    5. Daniel Hellerstein & Robert Mendelsohn, 1993. "A Theoretical Foundation for Count Data Models," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 75(3), pages 604-611.
    6. Ian M. Dobbs, 1993. "Individual Travel Cost Method: Estimation and Benefit Assessment with a Discrete and Possibly Grouped Dependent Variable," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 75(1), pages 84-94.
    7. Bell, Frederick W. & Leeworthy, Vernon R., 1990. "Recreational demand by tourists for saltwater beach days," Journal of Environmental Economics and Management, Elsevier, vol. 18(3), pages 189-205, May.
    8. Jeffrey Englin & David Lambert, 1995. "Measuring angling quality in count data models of recreational fishing," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 6(4), pages 389-399, December.
    9. K. G. Willis & G. D. Garrod, 1991. "An Individual Travel-Cost Method Of Evaluating Forest Recreation," Journal of Agricultural Economics, Wiley Blackwell, vol. 42(1), pages 33-42.
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    Keywords

    Travel Cost Method; Endogeneous Stratification; Truncation; Demand specification; Hurdle models;

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