Are there any papers about efficient cheap talk communication, where the players achieve the equilibrium payoffs of a correlated strategy as in Aumann's seminal paper? Or in case no such paper exists, could someone combine specific papers to proove the existence of such an efficient cheap talk communication protocol?
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1$\begingroup$ In some cases. Take a look at Section IV of this survey by Forges. $\endgroup$– Michael GreineckerDec 18, 2021 at 10:05
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There are some examples of this like:
