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Bayesian Estimation of Random-Coefficients Choice Models Using Aggregate Data
Andres Musalem Fuqua School of Business, Duke University Eric Bradlow University of Pennsylvania - Marketing Department Jagmohan S. Raju University of Pennsylvania - Marketing Department February 2006 Journal of Applied Econometrics, Forthcoming Abstract: This article discusses the use of Bayesian methods for estimating logit demand models using aggregate data, i.e. information solely on how many consumers chose each product. We analyze two different demand systems: independent samples and consumer panel. Under the first system, there is a different and independent random sample of N consumers in each period and each consumer makes only a single purchase decision. Under the second system, the same N consumers make a purchase decision in each of T periods. The proposed methods are illustrated using simulated and real data, and managerial insights available via data augmentation are discussed in detail.
Keywords: Discrete Choice Models, Data Augmentation, Markov Chain Monte Carlo Simulation, Random Coefficients JEL Classifications: C11, C15, C23 Working Paper SeriesDate posted: April 10, 2005 ; Last revised: August 23, 2008Suggested CitationContact Information
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