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Journal of Labor Economics Vol. 44 No. 2 2026

Effects of Childhood Peers on Personality Traits

Shuaizhang Feng1; Jun Hyung Kim2; Zhe Yang3

1 Institute for Social and Economic Research · 2 Korea Advanced Institute of Science and Technology · 3 Economic Research Institute

Abstract

Do peers in childhood influence the development of noncognitive skills? Despite a large literature on peer effects, this question remains largely unanswered. In this paper, we use Big Five Inventory measures of personality traits linked to the administrative records of children randomly assigned to primary school classrooms. We find that children exposed to “left-behind” classmates whose parents have temporarily migrated away for work become less conscientious, agreeable, and emotionally stable. These impacts mirror the traits of their left-behind peers with whom children become friends.

DOI
10.1086/732770
Volume
44
Issue
2
Pages
413-445
Language
en
Sources
openalex semanticscholar crossref

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