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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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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. 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.
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  3. Alessandra Fogli & Laura Veldkamp, 2008. "Nature or Nurture? Learning and the Geography of Female Labor Force Participation," NBER Working Papers 14097, National Bureau of Economic Research, Inc.
  4. 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.
  5. Maćkowiak, Bartosz & Wiederholt, Mirko, 2011. "Business cycle dynamics under rational inattention," Working Paper Series 1331, European Central Bank.
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  7. Lucas, Robert E, Jr & Stokey, Nancy L, 1987. "Money and Interest in a Cash-in-Advance Economy," Econometrica, Econometric Society, vol. 55(3), pages 491-513, May.
  8. 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.
  9. Sam Peltzman, 1998. "Prices Rise Faster Than They Fall," University of Chicago - George G. Stigler Center for Study of Economy and State 142, Chicago - Center for Study of Economy and State.
  10. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
  11. N. Gregory Mankiw & Ricardo Reis, 2001. "Sticky Information Versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve," Harvard Institute of Economic Research Working Papers 1922, Harvard - Institute of Economic Research.
  12. Filip Matejka, 2010. "Rigid Pricing and Rationally Inattentive Consumer," CERGE-EI Working Papers wp409, The Center for Economic Research and Graduate Education - Economics Institute, Prague.
  13. 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.
  14. Manuel Amador & Pierre-Olivier Weill, 2010. "Learning from Prices: Public Communication and Welfare," Journal of Political Economy, University of Chicago Press, vol. 118(5), pages 866 - 907.
  15. Mikhail Golosov & Aleh Tsyvinski & Guido Lorenzoni, 2008. "Decentralized trading with private information," 2008 Meeting Papers 391, Society for Economic Dynamics.
  16. 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.
  17. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April.
  18. Emi Nakamura & Jon Steinsson, 2005. "Price Setting in a Forward-Looking Customer Market," Macroeconomics 0509010, EconWPA.
  19. Heidhues, Paul & Köszegi, Botond, 2005. "The Impact of Consumer Loss Aversion on Pricing," CEPR Discussion Papers 4849, C.E.P.R. Discussion Papers.
  20. 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.
  21. 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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