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A Bayesian Multinomial Probit Model for The Analysis of Panel Choice Data

Published online by Cambridge University Press:  01 January 2025

Duncan K. H. Fong
Affiliation:
The Pennsylvania State University
Sunghoon Kim
Affiliation:
Arizona State University
Zhe Chen
Affiliation:
Google Inc.
Wayne S. DeSarbo*
Affiliation:
The Pennsylvania State University
*
Correspondence should be made to Wayne S. DeSarbo, The Pennsylvania State University, University Park, PA 16802 USA. Email: wsd6@psu.edu

Abstract

A new Bayesian multinomial probit model is proposed for the analysis of panel choice data. Using a parameter expansion technique, we are able to devise a Markov Chain Monte Carlo algorithm to compute our Bayesian estimates efficiently. We also show that the proposed procedure enables the estimation of individual level coefficients for the single-period multinomial probit model even when the available prior information is vague. We apply our new procedure to consumer purchase data and reanalyze a well-known scanner panel dataset that reveals new substantive insights. In addition, we delineate a number of advantageous features of our proposed procedure over several benchmark models. Finally, through a simulation analysis employing a fractional factorial design, we demonstrate that the results from our proposed model are quite robust with respect to differing factors across various conditions.

Information

Type
Original paper
Copyright
Copyright © 2014 The Psychometric Society

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