Journal Article

The Silence Bleating! of the Lambdas: Comment

Jeffrey T. LaFrance

in American Journal of Agricultural Economics

Published on behalf of Agricultural and Applied Economics Association

Volume 80, issue 1, pages 221-230
Published in print February 1998 | ISSN: 0002-9092
Published online February 1998 | e-ISSN: 1467-8276 | DOI: http://dx.doi.org/10.2307/3180283
The Silence Bleating! of the Lambdas: Comment

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  • Household Behaviour and Family Economics
  • Econometric Modelling
  • Agricultural Economics

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Alston and Chalfant&s least squares test for functional form is biased. A valid test is derived for both univariate and multivariate regression models. An estimation method to account for endogenous left- and right-hand-side current-period budget shares in the Rotterdam and LA-AIDS models is presented. Alston and Chalfant&s strenuous rejection of the LA-AIDS model in favor of the Rotterdam model is not supported by their data.

Keywords: Almost Ideal Demand System; demand models; double length regressions; functional form; Lagrange multiplier tests; least squares; maximum likelihood; Rotterdam model; C520; D120; Q110

Journal Article.  0 words. 

Subjects: Household Behaviour and Family Economics ; Econometric Modelling ; Agricultural Economics

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