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Estimating engel curves : a generalisation of the P-Tobit model

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  • Stephen Pudney

    (London School of Economics and POlitical Science)

Abstract

Cross-section demand relationships are usually estimated using data from short-duration expenditure surveys. The interpretation of such observations is not straightforward, since a zero recorded expenditure may understate true demand and a positive expenditure overstates demand. Deaton and Irish have recently proposed and applied the P- Tobit technique to deal with this problem, but with little success. The present paper specifies a generalisation of their model and applies alternative estimators to two different sets of UK survey data.

Suggested Citation

  • Stephen Pudney, 1988. "Estimating engel curves : a generalisation of the P-Tobit model," Finnish Economic Papers, Finnish Economic Association, vol. 1(2), pages 129-147, Autumn.
    • Handle: RePEc:fep:journl:v:1:y:1988:i:2:p:129-147
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    References listed on IDEAS

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    1. Wales, T. J. & Woodland, A. D., 1983. "Estimation of consumer demand systems with binding non-negativity constraints," Journal of Econometrics, Elsevier, vol. 21(3), pages 263-285, April.
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    3. Cragg, John G, 1971. "Some Statistical Models for Limited Dependent Variables with Application to the Demand for Durable Goods," Econometrica, Econometric Society, vol. 39(5), pages 829-844, September.
    4. Kay, J. A. & Keen, M. J. & Morris, C. N., 1984. "Estimating consumption from expenditure data," Journal of Public Economics, Elsevier, vol. 23(1-2), pages 169-181.
    5. Blundell, Richard & Meghir, Costas, 1987. "Bivariate alternatives to the Tobit model," Journal of Econometrics, Elsevier, vol. 34(1-2), pages 179-200.
    6. Lee, Lung-Fei & Pitt, Mark M., 1984. "Microeconometric Models of Consumer and Producer Demand with Limited Dependent Variables," Bulletins 7495, University of Minnesota, Economic Development Center.
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    Cited by:

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    2. Steven T. Yen & Chao‐Hsiun Tang & Shew‐Jiuan B. Su, 2001. "Demand for traditional medicine in Taiwan: a mixed Gaussian–Poisson model approach," Health Economics, John Wiley & Sons, Ltd., vol. 10(3), pages 221-232, April.
    3. Yen, Steven T. & Dellenbarger, Lynn E. & Schupp, Alvin R., 1995. "Determinants Of Participation And Consumption: The Case Of Crawfish In South Louisiana," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 27(1), pages 1-10, July.
    4. Justo Manrique & Helen H. Jensen, 2001. "Spanish Household Demand for Seafood," Journal of Agricultural Economics, Wiley Blackwell, vol. 52(3), pages 23-37, September.
    5. Jaume García-Villar & Ángel López-Nicolás, 2015. "Who is afraid of smoking bans? An evaluation of the effects of the Spanish clean air law on expenditure at hospitality venues," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 16(8), pages 813-834, November.

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