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...

In populations of human organizations (e.g. firms) that operate in cultural niches (markets), size differences are usually large. As large organizations can in principle out-compete small ones, the actual presence of many small organizations asks for an explanation. In ours, we focus on the...

In populations of human organizations (e.g. firms) that operate in cultural niches (markets), size differences are usually large. As large organizations can in principle out-compete small ones, the actual presence of many small organizations asks for an explanation. In ours, we focus on the...

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...