Discussion Paper Series
L. Ziegler, David E. Card, David A. Green et al.
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Preprint
Jul 2026
Engineering Social Networks: How Initial Group Assignment Shapes Student Social Interactions
A large literature uses exogenous variation to estimate how assignment to classrooms or other groups shapes social networks. Yet most of these analyses remain dyadic, treating each link in isolation, even though ties often form through triadic closure, as a friend of a friend also becomes a friend. Using fine-grained d...
Johanna Einsiedler, N. Harmon, David Dreyer Lassen et al.
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