TITLE

PATTERNS OF BUYER BEHAVIOR: REGULARITIES, MODELS, AND EXTENSIONS

AUTHOR(S)
Uncles, Mark; Ehrenberg, Andrew; Hammond, Kathy
PUB. DATE
June 1995
SOURCE
Marketing Science;1995 Part 2 of 2, Vol. 14 Issue 3, pG71
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this article, authors list some of the well-established regularities in the buying behavior of consumers and illustrate how this approach to modeling can assist the marketing analyst. Theoretically the Dirichlet model is very parsimonious in its assumptions and input requirements. Not surprisingly, discrepancy problems occur, although they are mostly at the margin. A feature of having a model-a norm-is that any discrepancies stand out. Mostly these are small and explicable in terms of case-specific factors. But where they are systematic a basis exists for further generalization, or even model adaptation. Indeed, it was the widespread occurrence of the DJ "discrepancy" that provided the incentive to develop the Dirichlet as a model of brand choice. The model is about habitual near-steady-state consumer behavior. It is not dynamic. In dynamic situations, however, it provides a useful benchmark. Conditional trend analysis, using the NBD or Dirichlet norms for period-to-period repeat-buying, has enabled studies of the effects of price promotions, seasonality and new product launches, these studies have yielded useful results without having to fine-tune the model itself.
ACCESSION #
4477210

 

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