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Easy demand-system estimation with quaids

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  • Brian P. Poi

    ()
    (StataCorp)

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    Abstract

    Previously, to fit an almost-ideal demand system in Stata, one would have to use the nlsur command and write a function evaluator program as described in [R] nlsur and Poi (2008, Stata Journal 8: 554–556). In this article, I introduce the command quaids, which obviates the need for any programming by the user. The command fits Deaton and Muellbauer's (1980b, American Economic Review 70: 312–326) original almost-ideal demand-system model as well as Banks, Blundell, and Lewbel's (1997, Review of Economics and Statistics 79: 527–539) quadratic variant. Demographic variables can also be included in the model. Postestimation tools calculate expenditure and price elasticities.

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    Bibliographic Info

    Article provided by StataCorp LP in its journal Stata Journal.

    Volume (Year): 12 (2012)
    Issue (Month): 3 (September)
    Pages: 433-446

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    Handle: RePEc:tsj:stataj:v:12:y:2012:i:3:p:433-446

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    Related research

    Keywords: quaids; almost-ideal demand system;

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    Cited by:
    1. Olorunfemi Sola, 2013. "Demand for food in Ondo state, Nigeria: Using quadratic almost ideal demand system," E3 Journal of Business Management and Economics., E3 Journals, vol. 4(1), pages 001-019.
    2. Oliver, Atara Stephanie, 2013. "Information Technology and Transportation: Substitutes or Complements?," MPRA Paper 46548, University Library of Munich, Germany.

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