Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/322276 
Year of Publication: 
2025
Series/Report no.: 
Helsinki GSE Discussion Papers No. 37
Publisher: 
Helsinki Graduate School of Economics, Helsinki
Abstract: 
This study uses sociometric data to show that social connections in the classroom shape the diffusion of the negative externalities on cognitive achievement generated by abused and neglected peers. We find the strongest negative effects for students who are socially closest to the abused and neglected peer. The fade-out rate of the negative externality is such that being three peers away from an abused and neglected peer is equivalent to having no such peers. Although the inverse effect-distance relation applies to both verbal and numeric ability, it is conferred through different mechanisms. The abused and neglected peer's lower verbal ability harms her friends' verbal ability, whereas it is the disruptiveness itself that harms classmates' numeric ability.
JEL: 
I21
J13
J24
ISBN: 
978-952-7543-36-8
Document Type: 
Working Paper

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