Simple but powerful models of stereotype formation *

Denis Bouyssou and Remzi Sanver

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Abstract: We propose simple models aiming at explaining the formation of stereotypes. A stereotype is an overall judgement brought by an observer over a group of individuals or objects. For each member of the group, we suppose that we observe a characteristic that belongs to a denumerable set. The formation of a stereotype about the group is governed by a perception function. Our basic model consists in decomposing a perception function into three steps: (i) characteristics are recoded numerically so that higher numbers mean a higher support for the stereotype, (ii) this vector of numbers is consistently aggregated into a single number, and (iii) this number is compared to a threshold and the stereotype is accepted if the threshold is exceeded. We characterize perception functions that can be explained using such a model. We then study various extensions of our basic model.

Keywords: Stereotype; Perception function; Mental process (search for similar items in EconPapers)
Date: 2022
New Economics Papers: this item is included in nep-mic
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Published in Revue Economique, inPress

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Journal Article: Simple but Powerful Models of Stereotype Formation (2022)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03766376

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