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Two Stochastic Multidimensional Choice Models for Marketing Research

J. CarrollGeert De SoeteWayne S. DeSarbo

出版	SSRN, 2016
URL	http://books.google.com.hk/books?id=fibazwEACAAJ&hl=&source=gbs_api

註釋

Two recently developed probabilistic multidimensional models for analyzing pairwise choice data are introduced, discussed in terms of their differential properties, and extended in several ways. The first one, the wandering vector model, was originally suggested by Carroll and extended by De Soete and Carroll. The second model, called the wandering ideal point model, is a more recently proposed unfolding analog of the wandering vector model. A general maximum likelihood estimation method for fitting the various models described is mentioned, as well as a statistical test for assessing the goodness of fit. Finally, an application of the models is provided concerning consumer choice for some 14 brands of over-the-counter analgesics to illustrate how such models can be gainfully utilized for marketing decision making concerning product positioning.