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We characterize a procedure for revising the individuals\u2019 prior probabilities based on the published priors of others and discuss its implications regarding the formation of a common prior in the group, both in the short and long run. <\/jats:p><jats:p> This paper was accepted by Manel Baucells, behavioral economics and decision analysis. <\/jats:p><jats:p> Funding: G. 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