A hierarchical Bayesian approach for examining heterogeneity in choice decisions

被引:4
|
作者
Kim, Sunghoon [1 ]
DeSarbo, Wayne S. [2 ]
Fong, Duncan K. H. [2 ]
机构
[1] Arizona State Univ, WP Carey Sch Business, Dept Mkt, Tempe, AZ 85258 USA
[2] Penn State Univ, Smeal Coll Business, Dept Mkt, University Pk, PA 16802 USA
关键词
Finite mixtures; Variable Selection; Bayesian multivariate probit models; Consumer psychology; Choice heterogeneity; VARIABLE SELECTION; PARAMETER EXPANSION; FINITE-MIXTURE; MODEL; PREFERENCE; METHODOLOGY; INFORMATION; LIKELIHOOD; EXPERTISE; PRODUCTS;
D O I
10.1016/j.jmp.2017.11.002
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
There is a vast behavioral decision theory literature that suggests different individuals may utilize and/or weigh different attributes of an object to form the basis of their opinions, attitudes, choices, and/or evaluations of such stimuli. This heterogeneity of information utilization and importance can be due to several different factors such as differing goals, level of expertise, contextual factors, knowledge accessibility, time pressure, involvement, mood states, task complexity, communication or influence of relevant others, etc. This phenomenon is particularly pertinent to the evaluation of stimuli involving large numbers of underlying attributes or features. We propose a new hierarchical Bayesian multivariate probit mixture model with variable selection accommodating such forms of choice heterogeneity. Based on a Monte Carlo simulation study, we demonstrate that the proposed model can successfully recover true parameters in a robust manner. Next, we provide a consumer psychology application involving consideration to buy choices for intended consumers of large Sports Utility Vehicles. The application illustrates that the proposed model outperforms several comparison benchmark choice models with respect to face validity and choice predictive validation performance. (C) 2017 Elsevier Inc. All rights reserved.
引用
收藏
页码:56 / 72
页数:17
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