This paper develops a model of social interactions with endogenous association. People are assumed to invest in relationships to maximize their utility. Even in a linear-in-means model, when associations are endogenous, the effect of macro-group composition on behavior is non-linear and varies...

Despite indications that interpersonal interactions are important for understanding individual labor-market outcomes and have become more important over the last decades, there is little analysis by economists. This paper shows that interpersonal interactions are important determinants of...

Despite indications that people skills are important for understanding individual labor-market outcomes and have become more important over the last decades, there is little analysis by economists. This paper shows that people skills are important determinants of labor-market outcomes, including...