非正式社会互动、学业成绩与行为：来自校车上同伴的证据
Informal social interactions, academic achievement and behavior: Evidence from peers on the school bus
The Economic Journal · 2025 · [{"name": "Matthew Lenard", "affiliation": ["Florida State University"]}, {"name": "Mikko Silliman", "affiliation": ["Cole Engineering Services (United States)", "Norwegian School of Economics", "Aalto University"]}]
中文摘要
摘要：本文利用小学、初中和高中阶段校车路线变化所带来的同伴群体特异性变动，研究非正式社会互动对学业成绩和行为的影响。研究结果表明，课堂之外的学生互动——尤其是在青春期——可能是教育生产函数中影响学业技能、尤其是行为技能的重要因素。校车上互动的效应也与邻里指标相关，这表明校车互动发挥作用的一种途径，可能是放大了邻里间的互动。
Abstract
Abstract We study the effects of informal social interactions on academic achievement and behaviour using idiosyncratic variation in peer groups stemming from changes in bus routes across elementary, middle and high school. Our results suggest that student interactions outside the classroom—especially in adolescence—may be an important factor in the education production function for both academic and, particularly, behavioural skills. The effects of interactions on the bus are also related to neighbourhood measures—suggesting that one way that interactions on the bus may matter is by amplifying interactions in the neighbourhood.