This paper studies the importance of social interactions for the adoption of financial products. We exploit a unique dataset of friendships among United States students and a novel estimation strategy that accounts for possibly endogenous network formation. We find that not all social contacts...

This paper studies the identification and estimation of treatment response with heterogeneous spillovers in a network model. We generalize the standard linear-in-means model to allow for multiple groups with between and within-group interactions. We provide a set of identification conditions of...