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Choix probabiliste et différenciation par attributs

Abstract : This thesis proposes to renew current approaches of product differentiation by underlying the role played by specific attributes. Consumers' behavior is represented by a probabilistic choice rule based on attributes, which is especially relevant to describe small purchase decisions. The use of such a discrete choices model establishes links with psychology and marketing but also leads to a demand system which is richer than that currently employed in industrial organization. Indeed, differentiation by attributes provides a general framework embodying in a new way the horizontal and vertical forms traditionally represented. Firms' choices of price and product specification are analyzed in a duopoly setting. This study provides new findings about product differentiation at the market equilibrium or interactions between innovation and imitation.
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Submitted on : Wednesday, January 30, 2008 - 4:19:39 PM
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  • HAL Id : tel-00226419, version 1



Reynald-Alexandre Laurent. Choix probabiliste et différenciation par attributs. Economies et finances. Université Panthéon-Sorbonne - Paris I, 2007. Français. ⟨tel-00226419⟩



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