We model network formation and interactions under a unified framework by considering that individuals anticipate the effect of network structure on the utility of network interactions when choosing links. There are two advantages of this modeling approach: first, we can evaluate whether network...

Social interactions are widely recognized to play an important role in smoking initiation among adolescents. In this paper, we hypothesize that emotionally stable, conscientious individuals are better able to resist peer pressure in the uptake of smoking. We exploit detailed friendship...

Social interactions are widely recognized to play an important role in smoking initiation among adolescents. In this paper we hypothesize that individual with `stronger' personalities (i.e. emotionally stable, conscientious individuals) are better able to resist peer pressure in the uptake of...

Social interactions are generally thought to play an important role in smoking initiation among adolescents. In this paper we exploit detailed friendship nominations in the US Add Health data, and extend the Spatial Autoregressive Model (SAR) model to deal with (i) endogenous peer selection, and...

This paper studies gender and racial disparities in altruism among social network members who are endogenously linked. We specify group-specific (gender or race) altruistic interactions models, as well as intra- and inter-group altruistic interactions models, to capture the heterogeneous...