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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.

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File URL: http://www.taloustieteellinenyhdistys.fi/images/stories/fep/fep19882_1.pdf
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Bibliographic Info

Article provided by Finnish Economic Association in its journal Finnish Economic Papers.

Volume (Year): 1 (1988)
Issue (Month): 2 (Autumn)
Pages: 129-147

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Handle: RePEc:fep:journl:v:1:y:1988:i:2:p:129-147

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Web page: http://www.taloustieteellinenyhdistys.fi
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  1. Waldman, Donald M., 1985. "Computation in duration models with heterogeneity," Journal of Econometrics, Elsevier, vol. 28(1), pages 127-134, April.
  2. 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.
  3. Blundell, Richard & Meghir, Costas, 1987. "Bivariate alternatives to the Tobit model," Journal of Econometrics, Elsevier, vol. 34(1-2), pages 179-200.
  4. 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.
  5. 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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