This paper introduces a psychological notion of categorization into economics and derives its implications for economic decision making. We show, using a tractable model of social cognition, that a decision maker in (efficiently) assigning past experiences to categories, will sort experiences of interaction with larger (majority) groups more finely than experiences with smaller (minority) groups. We then apply the model to understand simple forms of discrimination and social identity. It is shown that discrimination in hiring can result from such cognitive processes even when there is no malevolent taste to do so and workers' qualifications are fully observable. The model also provides a framework that is equipped to investigate the social psychological
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Paper provided by EconWPA in its series Microeconomics with number
0211002.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Matthew Jackson & Ehud Kalai, 1995.
"Social Learning in Recurring Games,"
Discussion Papers
1138, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
[Downloadable!]
Barberis, Nicholas & Shleifer, Andrei, 2003.
"Style investing,"
Journal of Financial Economics,
Elsevier, vol. 68(2), pages 161-199, May.
[Downloadable!] (restricted)
Other versions:
Nicholas Barberis & Andrei Shleifer, 2000.
"Style Investing,"
NBER Working Papers
8039, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
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