On Bayesian persuasion with multiple senders
In a canonical multi-sender Bayesian persuasion game, Gentzkow and Kamenica (2017) show that increasing the number of senders cannot decrease the amount of information revealed. They assume: (i) information can be arbitrarily correlated, (ii) senders reveal information simultaneously, and (iii) send...
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Veröffentlicht in: | Economics letters 2018-09, Vol.170, p.66-70 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | In a canonical multi-sender Bayesian persuasion game, Gentzkow and Kamenica (2017) show that increasing the number of senders cannot decrease the amount of information revealed. They assume: (i) information can be arbitrarily correlated, (ii) senders reveal information simultaneously, and (iii) senders play pure strategies. This paper constructs examples that demonstrate that adding senders can result in a loss of information if any of these assumptions is violated. |
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ISSN: | 0165-1765 1873-7374 |
DOI: | 10.1016/j.econlet.2018.05.023 |