Abstract
Consumer behaviour is often perceived through the notion of consideration sets. However, realistic modelling of consumer choice processes identifies impeding factors, including ignorance and non-specificity. In this chapter, the appeasement of these factors and the role of consideration sets are considered through the utilisation of the nascent Dempster-Shafer/Analytic Hierarchy Process (DS/AHP) method of choice analysis. The central element in the DS/AHP analysis is the body of evidence (BOE), with certain BOE constructed at different stages in the analysis, then a number of different sets of results can be found. The chapter is attempting to convey a more realistic approach for the individual consumer to undertake the required judgement making process. The investigation is based on a group of consumers and their preferences on a number of cars over different criteria. The notion of consideration sets is shown to be fundamental within DS/AHP, and a novel approach to the aggregation of the preferences from the consumers is utilised. A notional approach to the identification of awareness, consideration and choice sets is described, based on the levels of belief and plausibility in the best car existing in a group of cars, which could be compared with the algorithm developed by Gensch and Soofi (Int J Res Mark 12: 25–38, 1995).
The authors would like to thank Dr. Helena Pestana and Ms. Camila Mello for their outstanding assistance during the last stage of preparation and submission of the paper. We are grateful to both.
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Beynon, M.J., Moutinho, L., Veloutsou, C. (2018). An Exposition of the Role of Consideration Sets in a DS/AHP Analysis of Consumer Choice. In: Moutinho, L., Sokele, M. (eds) Innovative Research Methodologies in Management. Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-319-64394-6_10
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