Estimation of social-influence-dependent peer pressure in a large network game
扩展了大型网络博弈模型，利用Katz-Bonacich中心性衡量社会影响，基于青少年健康数据发现高中生的危险行为存在显著正向同辈效应，且朋友社会影响力越高，学生从从众中获益越多。
Research on peer effects in sociology has long been focused on social interactions and the associated social influence process. In this paper, we extend a large‐network‐based game model to a model that allows for the dependence of social interactions on social‐influence status. In particular, we use the Katz–Bonacich centrality to measure individuals' social influences, which are obtained directly from the observation of a social network. To solve the computational burden when the data come from the equilibrium of a large network, we extend a nested pseudo‐likelihood estimation approach to our large‐network‐based game model. Using the National Longitudinal Study of Adolescent Health (Add Health) dataset, we investigate the peer effects of dangerous behaviour among high‐school students. Our results show that the peer effects are statistically significant and positive. Moreover, students benefit more (statistically significant at the 5% level) from conformity or, equivalently, pay more for disobedience, in terms of peer pressure, if their friends have a higher status of social influence.