A well known and established model in communication policy in sociology and marketing is that of opinion leadership …. Opinion leaders are actors in a society who are able to affect the behavior of other members called followers. Hence, opinion … effect of different opinion leader-follower structures in markets or other collective decision-making situations in a society …

A well-known model in sociology and marketing is that of opinion leadership. Opinion leaders are actors who are able to … affect the behavior of their followers. Hence, opinion leaders have some power over their followers, and they can exercise … this power by influencing their followers choice of action. We study a two-action model for a society with opinion leaders …

This article presents a bifurcation theory of smooth stochastic dynamical systems that are governed by everywhere … of the system. By introducing a weak equivalence notion of these dependence ratios, we arrive at a bifurcation theory for … which in the compact case, the set of stable (non-bifurcating) systems is open and dense. The theory is illustrated with …