Frisell, Lars and Johan N. M. Lagerlöf (2007), “A Model of Reputation in Cheap Talk,” Scandinavian Journal of Economics 109: 49-70.
Abstract We study a dynamic game of advice where the sender's preferences are unknown to the receiver. The novel feature of the model is that there is more than one type of biased sender. We show that the more equal are the proportions of different biases in the sender population, the more information can credibly be transmitted. Somewhat surprisingly, however, we also find that the receiver does not benefit from this equality. We discuss our results in the context of political lobbying and show that institutions that increase transparency lower lobbyists' incentives for truthtelling, but unambiguously promote the policymaker's welfare.
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