Studies that distinguish between exogenous and endogenous peer effects are relatively rare. To separate these effects, De Giorgi, Pellizzari, and Redaelli exploited partially overlapping peer groups w
1. Many species show territoriality, in which territory owners have exclusive or priority use of a region. In humans, tolerance of others within our space also depends greatly on our social relation
Art T., Warren S., letters expressing appreciation to ONE for their work and efforts; letters renewing subscriptions; letter from Bill asking Art to create a fashion demonstration of homophile clothin
Vocal signals often play an important role in synchronizing the activities of group members, coordinating decisions about when and where to travel, and facilitating social interactions in which there