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The Role of Consumer's Risk Aversion on Price Rigidity

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  • Alves, Sergio A Lago

    (Central Bank of Brazil)

  • Bugarin, Mirta N S

    (University of Brasilia)

Abstract

This paper aims at contributing to the research agenda on the sources of price stickiness, showing that the adoption of nominal price rigidity may be an optimal firms' reaction to the consumers' behavior, even if firms have no adjustment costs. With regular broadly accepted assumptions on economic agents behavior, we show that firms' competition can lead to the adoption of sticky prices as an (sub-game perfect) equilibrium strategy. We introduce the concept of a consumption centers model economy in which there are several complete markets. Moreover, we weaken some traditional assumptions used in standard monetary policy models, by assuming that households have imperfect information about the inefficient time-varying cost shocks faced by the firms, e.g. the ones regarding to inefficient equilibrium output levels under flexible prices. Moreover, the timing of events are assumed in such a way that, at every period, consumers have access to the actual prices prevailing in the market only after choosing a particular consumption center. Since such choices under uncertainty may decrease the expected utilities of risk averse consumers, competitive firms adopt some degree of price stickiness in order to minimize the price uncertainty and "attract more customers"

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Bibliographic Info

Paper provided by Society for Computational Economics in its series Computing in Economics and Finance 2006 with number 128.

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Date of creation: 04 Jul 2006
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Handle: RePEc:sce:scecfa:128

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Keywords: Inflation dynamics; price rigidity; risk aversion; choice under uncertainty; Calvo type model; monetary policy; DSGE models.;

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References

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  1. Almeida Neto, Heitor Vieira de & Bonomo, Marco Antônio Cesar, 1999. "Optimal State-Dependent Rules, Credibility, and Inflation Inertia," Economics Working Papers (Ensaios Economicos da EPGE) 349, Graduate School of Economics, Getulio Vargas Foundation (Brazil).
  2. BONOMO, Marco & GARCIA, René, 1997. "The Macroeconomic Effects of Infrequent Information with Adjustment Costs," Cahiers de recherche 9716, Universite de Montreal, Departement de sciences economiques.
  3. Jeffery D. Amato & Thomas Laubach, 1999. "Monetary policy in an estimated optimization-based model with sticky prices and wages," Research Working Paper 99-09, Federal Reserve Bank of Kansas City.
  4. Mark Zbaracki & Mark Ritson & Daniel Levy & Shantanu Dutta & Mark Bergen, 2003. "Managerial and Customer Costs of Price Adjustment: Direct Evidence from Industrial Markets," Working Papers 2003-07, Department of Economics, Bar-Ilan University.
  5. Simon Hall & Mark Walsh & Anthony Yates, 1997. "How do UK companies set prices?," Bank of England working papers 67, Bank of England.
  6. Sergio A. L. Alves & Waldyr D. Areosa, 2005. "Targets and Inflation Dynamics," Working Papers Series 100, Central Bank of Brazil, Research Department.
  7. Debreu,Gerard Introduction by-Name:Hildenbrand,Werner, 1986. "Mathematical Economics," Cambridge Books, Cambridge University Press, number 9780521335614.
  8. Caplin, Andrew & Leahy, John, 1991. "State-Dependent Pricing and the Dynamics of Money and Output," The Quarterly Journal of Economics, MIT Press, vol. 106(3), pages 683-708, August.
  9. Marc P. Giannoni & Michael Woodford, 2003. "Optimal Inflation Targeting Rules," NBER Working Papers 9939, National Bureau of Economic Research, Inc.
  10. Ravenna, Federico & Walsh, Carl E., 2006. "Optimal monetary policy with the cost channel," Journal of Monetary Economics, Elsevier, vol. 53(2), pages 199-216, March.
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Cited by:
  1. Solange Gouvea, 2007. "Price Rigidity in Brazil: Evidence from CPI Micro Data," Working Papers Series 143, Central Bank of Brazil, Research Department.
  2. Benjamin M. Tabak, 2006. "The Dynamic Relationship Between Stock Prices And Exchange Rates: Evidence For Brazil," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 9(08), pages 1377-1396.
  3. Marcelo Y. Takami & Benjamin M. Tabak, 2007. "Evaluation of Default Risk for The Brazilian Banking Sector," Working Papers Series 135, Central Bank of Brazil, Research Department.
  4. Arnildo da Silva Correa & André Minella, 2006. "Nonlinear Mechanisms of the Exchange Rate Pass-Through: a Phillips curve model with threshold for Brazil," Working Papers Series 122, Central Bank of Brazil, Research Department.
  5. Gilneu F. A. Vivan & Benjamin M. Tabak, 2007. "A New Proposal for Collection and Generation of Information on Financial Institutions' Risk: the case of derivatives," Working Papers Series 133, Central Bank of Brazil, Research Department.
  6. Barbara Alemanni & José Renato Haas Ornelas, 2006. "Herding Behavior by Equity Foreign Investors on Emerging Markets," Working Papers Series 125, Central Bank of Brazil, Research Department.
  7. Ricardo Schechtman, 2007. "Joint Validation of Credit Rating PDs under Default Correlation," Working Papers Series 149, Central Bank of Brazil, Research Department.
  8. Sergio Rubens Stancato de Souza & Benjamin M. Tabak & Daniel O. Cajueiro, 2007. "Long-Range Dependence in Exchange Rates: the case of the European Monetary System," Working Papers Series 131, Central Bank of Brazil, Research Department.

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