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Learning from Prices: Public Communication and Welfare

  • Manuel Amador

    (Stanford)

  • Pierre Olivier Weill

    (UCLA)

We study the effect of releasing public information about productivity or monetary shocks using a micro-founded macroeconomic model in which agents learn from the distribution of nominal prices. While a public release has the direct beneficial effect of providing new information, it also has the indirect adverse effect of reducing the informational efficiency of the price system. We show that the negative indirect effect can dominate. Thus, the public information release may increase uncertainty about the monetary shock and reduce welfare. We find that the optimal communication policy is always to release either all or none of the information.

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Paper provided by Society for Economic Dynamics in its series 2008 Meeting Papers with number 390.

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Date of creation: 2008
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Handle: RePEc:red:sed008:390
Contact details of provider: Postal: Society for Economic Dynamics Christian Zimmermann Economic Research Federal Reserve Bank of St. Louis PO Box 442 St. Louis MO 63166-0442 USA
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Web page: http://www.EconomicDynamics.org/society.htm
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  1. Amador, Manuel & Weill, Pierre-Olivier, 2006. "Learning from Private and Public Observation of Other's Actions," MPRA Paper 109, University Library of Munich, Germany.
  2. Andrew Atkeson & V. V. Chari & Patrick J. Kehoe, 2007. "On the Optimal Choice of a Monetary Policy Instrument," NBER Working Papers 13398, National Bureau of Economic Research, Inc.
  3. Giuseppe Moscarini, 2007. "Competence Implies Credibility," American Economic Review, American Economic Association, vol. 97(1), pages 37-63, March.
  4. Constantinides,George & Duffie,Darrel, 1992. "Asset pricing with heterogeneous consumers," Discussion Paper Serie A 381, University of Bonn, Germany.
  5. Ivan Werning & George-Marios Angeletos, 2005. "Crises and Prices: Information Aggregation, Multiplicity and Volatility," 2005 Meeting Papers 284, Society for Economic Dynamics.
  6. Stefano Eusepi & Bruce Preston, 2010. "Central Bank Communication and Expectations Stabilization," American Economic Journal: Macroeconomics, American Economic Association, vol. 2(3), pages 235-71, July.
  7. Hellwig, Martin F., 1980. "On the aggregation of information in competitive markets," Journal of Economic Theory, Elsevier, vol. 22(3), pages 477-498, June.
  8. Christian Hellwig, 2004. "Heterogeneous Information and the Benefits of Public Information Disclosures (October 2005)," UCLA Economics Online Papers 283, UCLA Department of Economics.
  9. Guido Lorenzoni, 2007. "News Shocks and Optimal Monetary Policy," NBER Working Papers 12898, National Bureau of Economic Research, Inc.
  10. Christian Hellwig & Arijit Mukherji & Aleh Tsyvinski, 2005. "Self-Fulfilling Currency Crises: The Role of Interest Rates," NBER Working Papers 11191, National Bureau of Economic Research, Inc.
  11. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April.
  12. Sun, Yeneng, 2006. "The exact law of large numbers via Fubini extension and characterization of insurable risks," Journal of Economic Theory, Elsevier, vol. 126(1), pages 31-69, January.
  13. George-Marios Angeletos & Alessandro Pavan, 2008. "Policy with Dispersed Information," Carlo Alberto Notebooks 86, Collegio Carlo Alberto.
  14. Mark Bils & Peter J. Klenow, 2004. "Some Evidence on the Importance of Sticky Prices," Journal of Political Economy, University of Chicago Press, vol. 112(5), pages 947-985, October.
  15. Taub, B., 1997. "Optimal policy in a model of endogenous fluctuations and assets," Journal of Economic Dynamics and Control, Elsevier, vol. 21(10), pages 1669-1697, August.
  16. Mauro Roca, 2010. "Transparency and Monetary Policy with Imperfect Common Knowledge," IMF Working Papers 10/91, International Monetary Fund.
  17. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December.
  18. Townsend, Robert M, 1983. "Forecasting the Forecasts of Others," Journal of Political Economy, University of Chicago Press, vol. 91(4), pages 546-88, August.
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