Simon J. Blanchard

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The p-median offers an alternative to centroid-based clustering algorithms for identifying unob-served categories. However, existing p-median formulations typically require data aggregation into a single proximity matrix, resulting in masked respondent heterogeneity. A proposed three-way formulation of the p-median problem explicitly considers heterogeneity(More)
Previous research in marketing and consumer research has shown that consumers/ households often possess multiple ideal points in a given product/service category. In such cases, traditional segmentation and positioning models that estimate a single ideal point per individual/segment may render an inaccurate portrayal of the true underlying utility functions(More)
When people obtain information about choice alternatives in a set one attribute at a time, they rapidly identify a leading alternative. Although previous research has established that people then distort incoming information, it is unclear whether distortion occurs through favoring of the leading alternative, disfavoring of the trailing alternative, or(More)
How do consumers adjust their spending when their budget changes? A common view is that the allocation of one's current budget should not depend on previous budget allocations. Contrary to this, the authors find that when the budget contracts to a particular level, consumers select less variety (as measured by the number of different items with some of the(More)
We introduce a new statistical procedure for the identification of unobserved categories that vary between individuals and in which objects may span multiple categories. This procedure can be used to analyze data from a proposed sorting task in which individuals may simultaneously assign objects to multiple piles. The results of a synthetic example and a(More)
When consumers and sellers negotiate on price, the seller's goal is to complete the sale at a profitable price. In this research, we show that sellers who pair a discounted offer with a favor request can increase the probability that a consumer will accept the offer. The effect, which we refer to as " the favor request effect " , is found across multiple(More)
Researchers have recently introduced a finite mixture Bayesian regression model to simultaneously identify consumer market segments (heterogeneity) and determine how such segments differ with respect to active regression coefficients (variable selection). This article introduces three extensions of this model to incorporate managerial restrictions(More)
Article history: Available online xxxx a b s t r a c t Various deterministic and latent structure approaches for combining forms of multidi-mensional scaling and cluster analysis have been previously discussed. A new clusterwise three-way unfolding methodology for the analysis of two-way or three-way metric domi-nance/preference data is proposed. The(More)
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