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Communication With Multiple Senders and Multiple Dimensions: An Experiment

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  • Alistair Wilson
  • Emanuel Vespa

Abstract

We implement the Battaglini (2002) model of multi-sender-multi-dimension cheap talk in the laboratory, analyzing the effects of sender competition on information transmission. Our results indicate that competing senders provide enough information for close to full revelation, but receiver`s ability to use this information crucially depends on senders` biases. Receivers are close to full extraction when biases identify an ex-ante trustworthy sender. When there is no ex-ante trustworthy source, fully exploiting sent messages requires information to be inferred across dimensions. However, receivers seem to treat dimensions as separate choices, and are much closer to best-responding within each separate dimension.

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Bibliographic Info

Paper provided by University of Pittsburgh, Department of Economics in its series Working Papers with number 461.

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Date of creation: Apr 2012
Date of revision: Sep 2012
Handle: RePEc:pit:wpaper:461

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  1. Vincent P. Crawford & Miguel A. Costa-Gomes & Nagore Iriberri, 2010. "Strategic Thinking," Levine's Working Paper Archive 661465000000001148, David K. Levine.
  2. Ambrus, Attila & Takahashi, Satoru, 2008. "Multi-sender cheap talk with restricted state spaces," Theoretical Economics, Econometric Society, vol. 3(1), March.
  3. Kartik, Navin & Ottaviani, Marco & Squintani, Francesco, 2007. "Credulity, lies, and costly talk," Journal of Economic Theory, Elsevier, vol. 134(1), pages 93-116, May.
  4. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer, vol. 10(2), pages 171-178, June.
  5. Marco Ottaviani & Francesco Squintani, 2006. "Naive audience and communication bias," International Journal of Game Theory, Springer, vol. 35(1), pages 129-150, December.
  6. Archishman Chakraborty & Rick Harbaugh, 2010. "Persuasion by Cheap Talk," American Economic Review, American Economic Association, vol. 100(5), pages 2361-82, December.
    • Archishman Chakraborty & Rick Harbaugh, 2006. "Persuasion by Cheap Talk," Working Papers 2006-10, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy, revised Oct 2009.
  7. Ronny Razin & Gilat Levy, 2004. "Multidimentional Cheap Talk," 2004 Meeting Papers 184, Society for Economic Dynamics.
  8. Richard Mckelvey & Thomas Palfrey, 1998. "Quantal Response Equilibria for Extensive Form Games," Experimental Economics, Springer, vol. 1(1), pages 9-41, June.
  9. Asen Ivanov & Dan Levin & Muriel Niederle, 2010. "Can Relaxation of Beliefs Rationalize the Winner's Curse?: An Experimental Study," Econometrica, Econometric Society, vol. 78(4), pages 1435-1452, 07.
  10. Ignacio Esponda, 2008. "Behavioral Equilibrium in Economies with Adverse Selection," American Economic Review, American Economic Association, vol. 98(4), pages 1269-91, September.
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Cited by:
  1. Sobel, Joel, 2013. "Ten possible experiments on communication and deception," Journal of Economic Behavior & Organization, Elsevier, vol. 93(C), pages 408-413.
  2. Wonsuk Chung & Rick Harbaugh, 2012. "Biased Recommendations," Working Papers 2012-02, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy.
  3. Gurdal, Mehmet Y. & Ozdogan, Ayca & Saglam, Ismail, 2013. "Cheap talk with simultaneous versus sequential messages," MPRA Paper 45727, University Library of Munich, Germany.
  4. Agranov, Marina & Schotter, Andrew, 2013. "Language and government coordination: An experimental study of communication in the announcement game," Journal of Public Economics, Elsevier, vol. 104(C), pages 26-39.
  5. Battaglini, Marco & Makarov, Uliana, 2014. "Cheap talk with multiple audiences: An experimental analysis," Games and Economic Behavior, Elsevier, vol. 83(C), pages 147-164.

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