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Imperfect Information and Aggregate supply

  • Mankiw, N Gregory
  • Reis, Ricardo

This paper surveys the research in the past decade on imperfect information models of aggregate supply and the Phillips curve. This new work has emphasized that information is dispersed and disseminates slowly across a population of agents who strategically interact in their use of information. We discuss the foundations on which models of aggregate supply rest, as well as the micro-foundations for two classes of imperfect information models: models with partial information, where agents observe economic conditions with noise, and models with delayed information, where they observe economic conditions with a lag. We derive the implications of these two classes of models for: the existence of a non-vertical aggregate supply, the persistence of the real effects of monetary policy, the difference between idiosyncratic and aggregate shocks, the dynamics of disagreement, and the role of transparency in policy. Finally, we present some of the topics on the research frontier in this area.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 7711.

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Date of creation: Feb 2010
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Handle: RePEc:cpr:ceprdp:7711
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  1. Huw Dixon & Engin Kara, . "How to Compare Taylor and Calvo Contracts: A Comment on Michael Kiley," Discussion Papers 05/04, Department of Economics, University of York.
  2. Jonas Dovern & Joerg Doepke & Ulrich Fritsche & Jirka Slacalek, 2006. "The Dynamics of European Inflation Expectations," Macroeconomics and Finance Series 200603, Hamburg University, Department Wirtschaft und Politik.
  3. Yuriy Gorodnichenko & Olivier Coibion, 2010. "What can survey forecasts tell us about informational rigidities?," 2010 Meeting Papers 277, Society for Economic Dynamics.
  4. Ang, Andrew & Bekaert, Geert & Wei, Min, 2007. "Do macro variables, asset markets, or surveys forecast inflation better?," Journal of Monetary Economics, Elsevier, vol. 54(4), pages 1163-1212, May.
  5. Bartosz Mackowiak & Mirko Wiederholt, 2008. "Business Cycle Dynamics under Rational Inattention," 2008 Meeting Papers 1059, Society for Economic Dynamics.
  6. Hellwig, Christian & Veldkamp, Laura, 2007. "Knowing What Others Know: Coordination Motives in Information Acquisition," CEPR Discussion Papers 6506, C.E.P.R. Discussion Papers.
  7. Döpke, Jörg & Dovern, Jonas & Fritsche, Ulrich & Slacalek, Jiri, 2008. "Sticky information Phillips curves: European evidence," Working Paper Series 0930, European Central Bank.
  8. Amador, Manuel & Weill, Pierre-Olivier, 2006. "Learning from Private and Public Observation of Other's Actions," MPRA Paper 109, University Library of Munich, Germany.
  9. Mauro Roca, 2010. "Transparency and Monetary Policy with Imperfect Common Knowledge," IMF Working Papers 10/91, International Monetary Fund.
  10. Mark J. Zbaracki & Mark Ritson & Daniel Levy & Shantanu Dutta & Mark Bergen, 2004. "Managerial and Customer Costs of Price Adjustment: Direct Evidence from Industrial Markets," The Review of Economics and Statistics, MIT Press, vol. 86(2), pages 514-533, May.
  11. Kurt F. Lewis, 2008. "The two-period rational inattention model: accelerations and analyses," Finance and Economics Discussion Series 2008-22, Board of Governors of the Federal Reserve System (U.S.).
  12. Kenneth Kasa, 2000. "Forecasting the Forecasts of Others in the Frequency Domain," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 3(4), pages 726-756, October.
  13. Adam, Klaus, 2004. "Optimal Monetary Policy with Imperfect Common Knowledge," CEPR Discussion Papers 4594, C.E.P.R. Discussion Papers.
  14. Iván Werning & George-Marios Angeletos, 2006. "Crises and Prices: Information Aggregation, Multiplicity, and Volatility," American Economic Review, American Economic Association, vol. 96(5), pages 1720-1736, December.
  15. Leon W. Berkelmans, 2008. "Imperfect information and monetary models: multiple shocks and their consequences," Finance and Economics Discussion Series 2008-58, Board of Governors of the Federal Reserve System (U.S.).
  16. Jonas Dovern & Ulrich Fritsche & Jiri Slacalek, 2009. "Disagreement among Forecasters in G7 Countries," Macroeconomics and Finance Series 200906, Hamburg University, Department Wirtschaft und Politik.
  17. Khan, Hashmat & Zhu, Zhenhua, 2006. "Estimates of the Sticky-Information Phillips Curve for the United States," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(1), pages 195-207, February.
  18. Venky Venkateswaran & Christian Hellwig, 2009. "Setting The Right Prices for the Wrong Reasons," 2009 Meeting Papers 260, Society for Economic Dynamics.
  19. Oleg Korenok & Norman R. Swanson, 2007. "How Sticky Is Sticky Enough? A Distributional and Impulse Response Analysis of New Keynesian DSGE Models," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(6), pages 1481-1508, 09.
  20. Atsushi Inoue & Lutz Kilian & Fatma Burcu Kiraz, 2009. "Do Actions Speak Louder Than Words? Household Expectations of Inflation Based on Micro Consumption Data," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(7), pages 1331-1363, October.
  21. Yulei Luo, 2008. "Consumption Dynamics under Information Processing Constraints," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(2), pages 366-385, April.
  22. Akerlof, George A., 2001. "Behavioral Macroeconomics and Macroeconomic Behavior," Nobel Prize in Economics documents 2001-4, Nobel Prize Committee.
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