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Public Disagreement

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  • Rajiv Sethi
  • Muhamet Yildiz

Abstract

We develop a model of deliberation under heterogeneous beliefs and incomplete information, and use it to explore questions concerning the aggregation of distributed information and the consequences of social integration. We show that when priors are correlated, all private information is eventually aggregated and public beliefs are identical to those arising under observable priors. When priors are independently distributed, however, some private information is never revealed, and communication breaks down entirely in large groups. Interpreting integration in terms of the observability of priors, we show how increases in social integration lead to less divergent public beliefs on average. (JEL D82, D83, Z13)

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Bibliographic Info

Article provided by American Economic Association in its journal American Economic Journal: Microeconomics.

Volume (Year): 4 (2012)
Issue (Month): 3 (August)
Pages: 57-95

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Handle: RePEc:aea:aejmic:v:4:y:2012:i:3:p:57-95

Note: DOI: 10.1257/mic.4.3.57
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References

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  1. Morris, Stephen, 1994. "Trade with Heterogeneous Prior Beliefs and Asymmetric Information," Econometrica, Econometric Society, vol. 62(6), pages 1327-47, November.
  2. Muhamet Yildiz, 2004. "Waiting to Persuade," The Quarterly Journal of Economics, MIT Press, vol. 119(1), pages 223-248, February.
  3. Abhijit Banerjee & Rohini Somanathan, 2001. "A Simple Model Of Voice," The Quarterly Journal of Economics, MIT Press, vol. 116(1), pages 189-227, February.
  4. Yeon-Koo Che & Navin Kartik, 2009. "Opinions as Incentives," Journal of Political Economy, University of Chicago Press, vol. 117(5), pages 815-860, October.
  5. Jose A. Scheinkman & Wei Xiong, 2003. "Overconfidence and Speculative Bubbles," Journal of Political Economy, University of Chicago Press, vol. 111(6), pages 1183-1219, December.
  6. Tobias Adrian & Mark M. Westerfield, 2008. "Disagreement and learning in a dynamic contracting model," Staff Reports 269, Federal Reserve Bank of New York.
  7. Rajiv Sethi & Rohini Somanathan, 2002. "Inequality and segregation," Indian Statistical Institute, Planning Unit, New Delhi Discussion Papers 02-06, Indian Statistical Institute, New Delhi, India.
  8. Andrea Wilson, 2003. "Bounded Memory and Biases in Information Processing," NajEcon Working Paper Reviews 234936000000000070, www.najecon.org.
  9. Harrison, J Michael & Kreps, David M, 1978. "Speculative Investor Behavior in a Stock Market with Heterogeneous Expectations," The Quarterly Journal of Economics, MIT Press, vol. 92(2), pages 323-36, May.
  10. Eric Van den Steen, 2010. "Culture Clash: The Costs and Benefits of Homogeneity," Management Science, INFORMS, vol. 56(10), pages 1718-1738, October.
  11. Samuel Bowles & Glenn C. Loury & Rajiv Sethi, 2014. "Group Inequality," Journal of the European Economic Association, European Economic Association, vol. 12(1), pages 129-152, 02.
  12. Geanakoplos, John D. & Polemarchakis, Heraklis M., 1982. "We can't disagree forever," Journal of Economic Theory, Elsevier, vol. 28(1), pages 192-200, October.
  13. Eliaz, Kfir & Spiegler, Ran, 2005. "A Mechanism-Design Approach to Speculative Trade," CEPR Discussion Papers 5434, C.E.P.R. Discussion Papers.
  14. Stephen Morris, . "Speculative Investor Behavior and Learning," Penn CARESS Working Papers d12f7936881423171f6589501, Penn Economics Department.
  15. Muhamet Yildiz, 2003. "Bargaining without a Common Prior-An Immediate Agreement Theorem," Econometrica, Econometric Society, vol. 71(3), pages 793-811, 05.
  16. Eric Van den Steen, 2005. "Organizational Beliefs and Managerial Vision," Journal of Law, Economics and Organization, Oxford University Press, vol. 21(1), pages 256-283, April.
  17. Daron Acemoglu & Victor Chernozhukov & Muhamet Yildiz, 2009. "Fragility of Asymptotic Agreement under Bayesian Learning," Levine's Working Paper Archive 814577000000000139, David K. Levine.
  18. Shubham Chaudhuri & Rajiv Sethi, 2008. "Statistical Discrimination with Peer Effects: Can Integration Eliminate Negative Stereotypes?," Review of Economic Studies, Oxford University Press, vol. 75(2), pages 579-596.
  19. John Geanakoplos & Heracles M. Polemarchakis, 1982. "We Can't Disagree Forever," Cowles Foundation Discussion Papers 639, Cowles Foundation for Research in Economics, Yale University.
  20. Harrington, Joseph E, Jr, 1993. "Economic Policy, Economic Performance, and Elections," American Economic Review, American Economic Association, vol. 83(1), pages 27-42, March.
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Cited by:
  1. Wolfgang Kuhle, 2013. "A Global Game with Heterogenous Priors," Papers 1312.7860, arXiv.org.

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