An information cascade occurs when people follow earlier choices without using their own private information. This can be rational given the evidence they observe, rather than a response to social pressure. Cascades may reveal little new information and can reverse when public information changes.
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What these mean
Editorial orientation · Entry type
Key concept
Key concepts are the working vocabulary of the field: the terms that the models and tools rely on and that a decision about communication has to use precisely. Each entry defines the term and sends you to the brief or the self-guided audit where it is put to work.