Bayesianism without learning
According to the standard definition, a Bayesian agent is one who forms his posterior belief by conditioning his prior belief on what he has learned, that is, on facts of which he has become certain. Here it is shown that Bayesianism can be described without assuming that the agent acquires any certain information; an agent is Bayesian if his prior, when conditioned on his posterior belief, agrees with the latter. This condition is shown to characterize Bayesian models.
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References listed on IDEAS
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- Battigalli, Pierpaolo & Bonanno, Giacomo, 1997.
"The Logic of Belief Persistence,"
Economics and Philosophy,
Cambridge University Press, vol. 13(01), pages 39-59, April.
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Game Theory and Information
9609002, EconWPA, revised 17 Sep 1996.
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"Quantified Beliefs and Believed Quantities,"
Journal of Economic Theory,
Elsevier, vol. 95(2), pages 169-185, December.
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