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Observational learning is typically examined when agents have precise information about their position in the sequence … individuals and receive a private signal about the state of the world. We show that social learning is robust to position … uncertainty. Under any sampling rule satisfying a stationarity assumption, learning is complete if signal strength is unbounded …
Persistent link: https://www.econbiz.de/10013000538
We study social learning in a social network setting where agents receive independent noisy signals about the truth …
Persistent link: https://www.econbiz.de/10012926326
We analyze boundedly rational learning in social networks within binary action environments. We establish how learning … induces learning (i.e., convergence to the optimal action for every agent in every connected network) only in highly … asymmetric environments. In all other environments learning fails in networks with a diameter larger than four. Finally, we …
Persistent link: https://www.econbiz.de/10012415665
We study social learning in a social network setting where agents receive independent noisy signals about the truth …
Persistent link: https://www.econbiz.de/10011801379
, and showed that it gives a lower bound on the time it takes for a certain natural best-reply or learning process operating …
Persistent link: https://www.econbiz.de/10014184836
We study learning and influence in a setting where agents communicate according to an arbitrary social network and …
Persistent link: https://www.econbiz.de/10014049685
This paper studies the behavioral foundations of non-Bayesian models of learning over social networks and develops a … agents follow social learning rules that satisfy "imperfect recall", according to which they treat the current beliefs of … the corresponding learning rules (including the canonical model of DeGroot). We then obtain general long-run learning …
Persistent link: https://www.econbiz.de/10014035630
We study a dynamic game in which short-run players repeatedly play a symmetric, strictly supermodular game whose payoff depends on a fixed unknown state of nature. Each short-run player inherits the beliefs of his immediate predecessor in addition to observing the actions of the players in his...
Persistent link: https://www.econbiz.de/10014038672
determine the speed of social learning. To this end, we study a variant of the seminal model of DeGroot (1974), according to … learning has a simple analytical characterization in terms of the relative entropy of agents’ signal structures and their … non-trivial implications for the rate of learning. In particular, we show that when the informativeness of different …
Persistent link: https://www.econbiz.de/10014039045
This paper introduces a model of boundedly rational observational learning, which is rationally founded and applicable …
Persistent link: https://www.econbiz.de/10013027986