Friebel, Guido, Lalanne, Marie, Richter, Bernard, Seabright, Paul and Schwardmann, Peter (2021) Gender differences in social interactions. Journal of Economic Behavior and Organization, vol. 186. pp. 33-45.

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Identification Number : 10.1016/j.jebo.2021.03.016


We study how the random assignment of new students to introductory-week groups shapes subsequent friendship networks. Both women and men report being much more likely to be friends with same-gender students with whom they were (randomly) assigned in a group during their first week on campus, and the effect is much stronger for women. When students from the same cohort play a repeated trust game in the experimental laboratory, their behavior helps explain what we observed in the field. Women display more stability and less flexibility than men in their interactions with individuals with whom they had previously played. This difference is enough to generate homophily in the observational data even though subjects show no intrinsic preference for same-gender interaction.

Item Type: Article
Language: English
Date: June 2021
Refereed: Yes
Place of Publication: Amsterdam
Uncontrolled Keywords: Social networks, Gender differences, Trust game
JEL Classification: C91 - Laboratory, Individual Behavior
D81 - Criteria for Decision-Making under Risk and Uncertainty
J16 - Economics of Gender; Non-labor Discrimination
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 20 May 2021 12:10
Last Modified: 08 Jun 2023 11:35
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