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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. 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.
  2. Klaus Adam, 2004. "Optimal Monetary Policy with Imperfect Common Knowledge," Econometric Society 2004 North American Winter Meetings 24, Econometric Society.
  3. Jonas Dovern & Joerg Doepke & Ulrich Fritsche & Jirka Slacalek, 2006. "Sticky Information Phillips Curves: European Evidence," Macroeconomics and Finance Series 200604, Hamburg University, Department Wirtschaft und Politik.
  4. Dixon, Huw & Kara, Engin, 2006. "How to Compare Taylor and Calvo Contracts: A Comment on Michael Kiley," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(4), pages 1119-1126, June.
  5. Christian Hellwig & Laura Veldkamp, 2009. "Knowing What Others Know: Coordination Motives in Information Acquisition," Review of Economic Studies, Oxford University Press, vol. 76(1), pages 223-251.
  6. 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.
  7. Andrew Ang & Geert Bekaert & Min Wei, 2005. "Do Macro Variables, Asset Markets or Surveys Forecast Inflation Better?," NBER Working Papers 11538, National Bureau of Economic Research, Inc.
  8. Yulei Luo, 2005. "Consumption Dynamics under Information Processing Constraints," Macroeconomics 0505011, EconWPA, revised 03 Jun 2005.
  9. Maćkowiak, Bartosz & Wiederholt, Mirko, 2011. "Business cycle dynamics under rational inattention," Working Paper Series 1331, European Central Bank.
  10. Inoue, Atsushi & Kilian, Lutz & Kiraz, Fatma Burcu, 2006. "Do actions speak louder than words? Household expectations of inflation based on micro consumption data," Discussion Paper Series 1: Economic Studies 2006,26, Deutsche Bundesbank, Research Centre.
  11. Dovern, Jonas & Fritsche, Ulrich & Slacalek, Jiri, 2009. "Disagreement among forecasters in G7 countries," Working Paper Series 1082, European Central Bank.
  12. 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.
  13. George A. Akerlof, 2002. "Behavioral Macroeconomics and Macroeconomic Behavior," American Economic Review, American Economic Association, vol. 92(3), pages 411-433, June.
  14. 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.).
  15. 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.
  16. Mauro Roca, 2010. "Transparency and Monetary Policy with Imperfect Common Knowledge," IMF Working Papers 10/91, International Monetary Fund.
  17. Amador, Manuel & Weill, Pierre-Olivier, 2006. "Learning from Private and Public Observation of Other's Actions," MPRA Paper 109, University Library of Munich, Germany.
  18. Yuriy Gorodnichenko & Olivier Coibion, 2010. "What can survey forecasts tell us about informational rigidities?," 2010 Meeting Papers 277, Society for Economic Dynamics.
  19. 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.
  20. 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.).
  21. 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.
  22. Venky Venkateswaran & Christian Hellwig, 2009. "Setting The Right Prices for the Wrong Reasons," 2009 Meeting Papers 260, Society for Economic Dynamics.
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