firms can observe each other's decisions, they are able to increase the accuracy of their actions. While reducing volatility … at the individual level, social learning may lead to an increase in volatility at the aggregate level depending on the … network topology. Moreover, if the network is very asymmetric, aggregate volatility does not decay as predicted by the law of …

are found. Over time, the underlying payoffs randomly change, i.e. display some volatility , which leads agents to react …-run invariant behavior and obtain the following conclusions: (a) Only if payoff volatility is not too high can the society sustain a … dense social network. (b) The social architecture endogenously responds to increased volatility by becoming more cohesive …