1. Introduction -- 2. Representation and conceptualization -- 3. Small worlds -- 4. Searching and fat tails -- 5. Communities : detection, conflict, cohesion, and culture -- 6. Social inequality : prestige, power, brokerage, and roles -- 7. Organizations as networks -- 8. Methods : data and...

Organizational ecology models of market dynamics emphasize the competition-inducing role of inter-organizational niche overlap--targeting similar market niches increases competitive pressure and thus reduces organizations' fitness. Recent studies, however, have suggested that moderate niche...