We define sources of heterogeneity in consumer utility functions related to individual differences in response tendencies, drivers of utility, form of the consumer utility function, perceptions of attributes, state dependencies, and stochasticity. A variety of alternative modeling approaches are reviewed that accommodate subsets of these various sources including clusterwise regression, latent structure models, compound distributions, random coefficients models, etc. We conclude by defining a number of promising research areas in this field
DeSarbo, Wayne, Asim Ansari, Pradeep Chintagunta, Charles Himmelberg, Kamel Jedidi, Richard Johnson, Wagner Kamakura, Peter Lenk, Kannan Srinivasan, and Michel Wedel. "Representing Heterogeneity in Consumer Response Models: 1996 Choice Conference Participants." Marketing Letters 8, no. 3 (July 1997): 335-48.
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