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Heterogeneous Logit Model Implications for Brand Positioning
Pradeep K. Chintagunta
Journal of Marketing Research
Vol. 31, No. 2, Special Issue on Brand Management (May, 1994), pp. 304-311
Published by: American Marketing Association
Stable URL: http://www.jstor.org/stable/3152201
Page Count: 8
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The author discusses the implications of a heterogeneous logit model for brand positioning. The methodology presented is a restricted version of a mixture-of-logits model and obtains brand positions on a product-market map and the distribution of preferences across households while accounting for the effects of marketing variables on household brand choice behavior. The restriction involves imposing a factor structure on the covariance matrix of the distribution of intrinsic brand preferences. An empirical application of the methodology is presented using A.C. Nielsen household-level scanner panel data on the purchases of liquid laundry detergents. The results indicate that the proposed model provides a better fit to the data than the unrestricted mixture-of-logits model or the Choice Map methodology.
Journal of Marketing Research © 1994 American Marketing Association