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Social Value of Public Information

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Author Info
Stephen Morris
Hyun Song Shin

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Abstract

What are the welfare effects of enhanced dissemination of public information through the media and disclosures by market participants with high public visibility? We examine the impact of public information in a setting where agents take actions appropriate to the underlying fundamentals, but they also have a coordination motive arising from a strategic complementarity in their actions. When the agents have no socially valuable private information, greater provision of public information always increases welfare. However, when agents also have access to independent sources of information, the welfare effect of increased public disclosures is ambiguous.

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File URL: http://hdl.handle.net/10.1257/000282802762024610
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File URL: http://www.aeaweb.org/articles/article_detail.php?journal=AER&volume=92&issue=5&article=12&issue_date=December2002
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Publisher Info
Article provided by American Economic Association in its journal American Economic Review.

Volume (Year): 92 (2002)
Issue (Month): 5 (December)
Pages: 1521-1534
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Handle: RePEc:aea:aecrev:v:92:y:2002:i:5:p:1521-1534

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References listed on IDEAS
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. Christina E. Bannier, 2003. "Private and Public Information in Self-Fulfilling Currency Crises," International Finance 0309006, EconWPA. [Downloadable!]
  2. Woodford, Michael, 1990. "Learning to Believe in Sunspots," Econometrica, Econometric Society, vol. 58(2), pages 277-307, March. [Downloadable!] (restricted)
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  3. Siew Hong Teoh, 1997. "Information Disclosure and Voluntary Contributions to Public Goods," RAND Journal of Economics, The RAND Corporation, vol. 28(3), pages 385-406, Autumn. [Downloadable!] (restricted)
  4. Hirshleifer, Jack, 1971. "The Private and Social Value of Information and the Reward to Inventive Activity," American Economic Review, American Economic Association, vol. 61(4), pages 561-74, September. [Downloadable!] (restricted)
  5. Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October. [Downloadable!] (restricted)
  6. Azariadis, Costas, 1981. "Self-fulfilling prophecies," Journal of Economic Theory, Elsevier, vol. 25(3), pages 380-396, December. [Downloadable!] (restricted)
  7. Alan S. Blinder, 1999. "Central Banking in Theory and Practice," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262522608.
  8. Samet, Dov, 1998. "Iterated Expectations and Common Priors," Games and Economic Behavior, Elsevier, vol. 24(1-2), pages 131-141, July. [Downloadable!] (restricted)
  9. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August. [Downloadable!] (restricted)
  10. Howitt, Peter & McAfee, R Preston, 1992. "Animal Spirits," American Economic Review, American Economic Association, vol. 82(3), pages 493-507, June. [Downloadable!] (restricted)
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  11. Raith, Michael, 1996. "A General Model of Information Sharing in Oligopoly," Journal of Economic Theory, Elsevier, vol. 71(1), pages 260-288, October. [Downloadable!] (restricted)
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  12. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April. [Downloadable!] (restricted)
  13. Townsend, Robert M, 1978. "Market Anticipations, Rational Expectations, and Bayesian Analysis," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 19(2), pages 481-94, June. [Downloadable!] (restricted)
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