Stereotypes

Pedro Bordalo, Katherine Coffman, Nicola Gennaioli and Andrei Shleifer

The Quarterly Journal of Economics, 2016, vol. 131, issue 4, 1753-1794

Abstract: We present a model of stereotypes based on Kahneman and Tversky’s representativeness heuristic. A decision maker assesses a target group by overweighting its representative types, defined as the types that occur more frequently in that group than in a baseline reference group. Stereotypes formed this way contain a “kernel of truth”: they are rooted in true differences between groups. Because stereotypes focus on differences, they cause belief distortions, particularly when groups are similar. Stereotypes are also context dependent: beliefs about a group depend on the characteristics of the reference group. In line with our predictions, beliefs in the lab about abstract groups and beliefs in the field about political groups are context dependent and distorted in the direction of representative types.

Date: 2016
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Working Paper: Stereotypes (2014)
Working Paper: Stereotypes (2014)
Working Paper: Stereotypes
Working Paper: Stereotypes
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