%0 Journal Article %T The Augmented Latent Class Model: Incorporating Additional Heterogeneity in the Latent Class Model for Panel Data %A Varki, Sajeev %A Chintagunta, Pradeep K. %J Journal of Marketing Research %V 41 %N 2 %P 226-233 %@ 0022-2437 %D 2004-05-01 %I SAGE Publications %~ DeepDyve