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The Stochastic Specification of Attraction Models
journal contribution
posted on 2017-06-08, 02:27 authored by Fry, Tim R. L., Sexton, Eileen M.Estimation of attraction models in marketing typically involves the use of the log-centering transformation. The resultant estimating equations are then linear in the parameters. The log-centering transformation also appears in the statistical analysis of compositional data (CODA). CODA techniques are applied to data on "shares" in a wide variety of disciplines. This paper uses CODA techniques to rationalize the stochastic specification of attraction models. It further shows that another transformation from CODA, the log-ratio transform, can yield simpler estimating equations. The results are illustrated using an empirical example.
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1996Series
Department of Econometrics.Usage metrics
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