A. Di Tillio
Monologues, dialogues, and common priors
Di Tillio, A.; Lehrer, E.; Samet, D.
Abstract
The main purpose of this paper is to provide a simple criterion enabling to conclude that two agents do not share a common prior. The criterion is simple, as it does not require information about the agents' knowledge and beliefs, but rather only the record of a dialogue between the agents. In each stage of the dialogue the agents tell each other the probability they ascribe to a fixed event and update their beliefs about the event. To characterize dialogues consistent with a common prior, we first study monologues, which are sequences of probabilities assigned by a single agent to a given event in an exogenous learning process. A dialogue is consistent with a common prior if and only if each selection sequence from the two monologues comprising the dialogue is itself a monologue.
Citation
Di Tillio, A., Lehrer, E., & Samet, D. (2022). Monologues, dialogues, and common priors. Theoretical Economics, 17(2), 587-615. https://doi.org/10.3982/te4508
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 1, 2022 |
Publication Date | 2022 |
Deposit Date | Aug 16, 2023 |
Journal | Theoretical Economics |
Print ISSN | 1933-6837 |
Publisher | Econometric Society |
Peer Reviewed | Peer Reviewed |
Volume | 17 |
Issue | 2 |
Pages | 587-615 |
DOI | https://doi.org/10.3982/te4508 |
Keywords | General Economics, Econometrics and Finance |
Public URL | https://durham-repository.worktribe.com/output/1719664 |
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