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Consumers' Imperfect Information and Price Rigidities

  • Jean-Paul L'Huillier

    (EIEF)

This paper develops a model of price rigidities and information diffusion in decentralized markets with private information. First, I provide a strategic microfoundation for price rigidities, by showing that firms are better off delaying the adjustment of prices when they face a high number of uninformed consumers. Second, in an environment where consumers learn from firms' prices, the diffusion of information follows a Bernoulli differential equation. Therefore, learning follows nonlinear dynamics. Third, the price rigidity produces an informational externality that affects welfare. Fourth, the dynamics of output are hump-shaped due to consumer learning.

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File URL: http://www.eief.it/files/2012/09/wp-09-consumers-imperfect-information-and-price-rigidities.pdf
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Paper provided by Einaudi Institute for Economics and Finance (EIEF) in its series EIEF Working Papers Series with number 1209.

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Length: 55 pages
Date of creation: 2012
Date of revision: Aug 2012
Handle: RePEc:eie:wpaper:1209
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  1. Manuel Amador & Pierre Olivier Weill, 2008. "Learning from Prices: Public Communication and Welfare," 2008 Meeting Papers 390, Society for Economic Dynamics.
  2. N. Gregory Mankiw & Ricardo Reis, 2001. "Sticky Information Versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve," NBER Working Papers 8290, National Bureau of Economic Research, Inc.
  3. Mirko Wiederholt & Bartosz Mackowiak, 2005. "Optimal Sticky Prices under Rational Inattention," 2005 Meeting Papers 369, Society for Economic Dynamics.
  4. Robert E. Lucas, Jr. & Nancy L. Stokey, 1985. "Money and Interest in a Cash-in-Advance Economy," NBER Working Papers 1618, National Bureau of Economic Research, Inc.
  5. Maćkowiak, Bartosz & Wiederholt, Mirko, 2011. "Business cycle dynamics under rational inattention," Working Paper Series 1331, European Central Bank.
  6. Filip Matejka, 2010. "Rigid Pricing and Rationally Inattentive Consumer," CERGE-EI Working Papers wp409, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  7. Cho, In-Koo & Kreps, David M, 1987. "Signaling Games and Stable Equilibria," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 179-221, May.
  8. Ricardo Reis, 2005. "Inattentive Producers," 2005 Meeting Papers 290, Society for Economic Dynamics.
  9. Mikhail Golosov & Guido Lorenzoni & Aleh Tsyvinski, 2009. "Decentralized Trading with Private Information," NBER Working Papers 15513, National Bureau of Economic Research, Inc.
  10. Benabou, Roland & Gertner, Robert, 1993. "Search with Learning from Prices: Does Increased Inflationary Uncertainty Lead to Higher Markups?," Review of Economic Studies, Wiley Blackwell, vol. 60(1), pages 69-94, January.
  11. KIM, Jinill & RUGE-MURCIA, Francisco J., 2007. "How Much Inflation is Necessary to Grease the Wheels?," Cahiers de recherche 11-2007, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
  12. Heidhues, Paul & Köszegi, Botond, 2005. "The Impact of Consumer Loss Aversion on Pricing," CEPR Discussion Papers 4849, C.E.P.R. Discussion Papers.
  13. Cho, In-Koo & Sobel, Joel, 1990. "Strategic stability and uniqueness in signaling games," Journal of Economic Theory, Elsevier, vol. 50(2), pages 381-413, April.
  14. Laura Veldkamp & Alessandra Fogli, 2009. "Nature or Nurture? Learning and the Geography of Female Labor Force Participation," 2009 Meeting Papers 141, Society for Economic Dynamics.
  15. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
  16. Emi Nakamura & Jon Steinsson, 2005. "Price Setting in a Forward-Looking Customer Market," Macroeconomics 0509010, EconWPA.
  17. Sam Peltzman, 2000. "Prices Rise Faster than They Fall," Journal of Political Economy, University of Chicago Press, vol. 108(3), pages 466-502, June.
  18. Cover, James Peery, 1992. "Asymmetric Effects of Positive and Negative Money-Supply Shocks," The Quarterly Journal of Economics, MIT Press, vol. 107(4), pages 1261-82, November.
  19. Venky Venkateswaran & Christian Hellwig, 2009. "Setting The Right Prices for the Wrong Reasons," 2009 Meeting Papers 260, Society for Economic Dynamics.
  20. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April.
  21. Maskin, Eric & Tirole, Jean, 1992. "The Principal-Agent Relationship with an Informed Principal, II: Common Values," Econometrica, Econometric Society, vol. 60(1), pages 1-42, January.
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