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The Dynamics of Networks and Homophily

Matthew Jackson, Stephen M. Nei, Erik Snowberg and Leeat Yariv

No 10210, CESifo Working Paper Series from CESifo

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.

Keywords: homophily; social networks; dynamic networks; undergraduate education; peer effects (search for similar items in EconPapers)
JEL-codes: D85 I21 J15 J16 Z13 (search for similar items in EconPapers)
Date: 2023
New Economics Papers: this item is included in nep-net, nep-soc and nep-ure
References: Add references at CitEc
Citations: View citations in EconPapers (2)

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Working Paper: The Dynamics of Networks and Homophily (2023) Downloads
Working Paper: The Dynamics of Networks and Homophily (2022) Downloads
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