Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/271854 
Year of Publication: 
2023
Series/Report no.: 
CESifo Working Paper No. 10210
Publisher: 
Center for Economic Studies and ifo Institute (CESifo), Munich
Abstract: 
We examine friendships and study partnerships among university students over several years. At the aggregate level, connections increase over time, but homophily on gender and ethnicity is relatively constant across time, university residences, and different network layers. At the individual level, homophilous tendencies are persistent across time and network layers. Furthermore, we see assortativity in homophilous tendencies. There is weaker, albeit significant, homophily over malleable characteristics−risk preferences, altruism, study habits, and so on. We find little evidence of assimilation over those characteristics. We also document the nuanced impact of network connections on changes in Grade Point Average.
Subjects: 
homophily
social networks
dynamic networks
undergraduate education
peer effects
JEL: 
D85
I21
J15
J16
Z13
Document Type: 
Working Paper
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