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Multiple Referrals and Multidimensional Cheap Talk

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Author Info
Marco Battaglini () (Princeton University, Princeton, NJ)

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Abstract

In previous work on cheap talk, uncertainty has almost always been modeled using a single-dimensional state variable. In this paper we prove that the dimensionality of the uncertain variable has an important qualitative impact on results and yields interesting insights into the "mechanics" of information transmission. Contrary to the unidimensional case, if there is more than one sender, full revelation of information in all states of nature is generically possible, even when the conflict of interest is arbitrarily large. What really matters in transmission of information is the local behavior of senders' indifference curves at the ideal point of the receiver, not the proximity of players' ideal point. Copyright The Econometric Society 2002.

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Publisher Info
Article provided by Econometric Society in its journal Econometrica.

Volume (Year): 70 (2002)
Issue (Month): 4 (July)
Pages: 1379-1401
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Handle: RePEc:ecm:emetrp:v:70:y:2002:i:4:p:1379-1401

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Daniel Diermeier & Timothy J. Feddersen, 1998. "Information and Congressional Hearings," Discussion Papers 1236, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
  2. Baliga, Sandeep, 1999. "Monitoring and Collusion with "Soft" Information," Journal of Law, Economics and Organization, Oxford University Press, vol. 15(2), pages 434-40, July.
  3. Farrell, J. & Gibbons, R., 1989. "Cheap Talk With Two Audiences," Working papers 518, Massachusetts Institute of Technology (MIT), Department of Economics.
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  4. Krishna, V. & Morgan, J., 1999. "A Model of Expertise," Papers 206, Princeton, Woodrow Wilson School - Public and International Affairs.
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  5. Gilligan, Thomas W. & Krehbiel, Keith., 1987. "Collective Decision-Making and Standing Committees: An Informational Rational for Restrictive Amendment Procedures," Working Papers 632, California Institute of Technology, Division of the Humanities and Social Sciences. [Downloadable!]
  6. Paul Milgrom & John Roberts, 1986. "Relying on the Information of Interested Parties," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 18-32, Spring. [Downloadable!] (restricted)
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  7. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-51, November. [Downloadable!] (restricted)
  8. Austen-Smith David, 1993. "Interested Experts and Policy Advice: Multiple Referrals under Open Rule," Games and Economic Behavior, Elsevier, vol. 5(1), pages 3-43, January. [Downloadable!] (restricted)
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