منابع مشابه
Choice by lexicographic semiorders
In Tversky’s (1969) model of a lexicographic semiorder, a preference is generated via the sequential application of numerical criteria by declaring an alternative x better than an alternative y if the first criterion that distinguishes between x and y ranks x higher than y by an amount exceeding a fixed threshold. We generalize this idea to a fully fledged model of boundedly rational choice. We...
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We investigate a generalisation of the coherent choice functions considered by Seidenfeld et al. (2010), by sticking to the convexity axiom but imposing no Archimedeanity condition. We define our choice functions on vector spaces of options, which allows us to incorporate as special cases both Seidenfeld et al.'s (2010) choice functions on horse lotteries and sets of desirable gambles (Quaegheb...
متن کاملLexicographic choice functions without archimedeanicity
We investigate the connection between choice functions and lexicographic probabilities, by means of the convexity axiom considered by [7] but without imposing any Archimedean condition. We show that lexicographic probabilities are related to a particular type of sets of desirable gambles, and investigate the properties of the coherent choice function this induces via maximality. Finally, we sho...
متن کاملBrand positioning under lexicographic choice rules
This paper discusses a brand positioning model in which two brands of a product are to be positioned in a pricequality space under a new behavioral assumption. This assumption asserts that customers determine the highestquality product within their reservation price and purchase it, provided its quality does not fall short of a minimum standard. The model also includes producers' costs that are...
متن کاملAn Overview of Lexicographic Choice Under Uncertainty
This overview focuses on lexicographic choice under conditions of uncertainty. First, lexicographic versions of traditional (von Neumann-Morgenstern) expected utility theory are described where the usual Archimedean axiom is weakened. The role of these lexicographic variants in explaining some well-known “paradoxes” of choice theory is reviewed. Next, the significance of lexicographic choice fo...
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ژورنال
عنوان ژورنال: Theoretical Economics
سال: 2012
ISSN: 1933-6837
DOI: 10.3982/te679