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Inflation, Prices, and Information in Competitive Search

  • Belen Jerez
  • Miquel Faig

We study the effects of inflation in a competitive search model where each buyer's utility is private information, and money is essential. The equilibrium is efficient at the Friedman rule, but inflation creates an inefficiency in the terms of trade. Buyers experience a preference shock after they are matched with a seller, and thus they have a precautionary motive for holding money. Sellers, who compete to attract buyers, post non-linear price schedules. As inflation rises, sellers post relatively flat price schedules, which reduce the need for precautionary balances. These price schedules induce buyers with a low desire to consume to purchase inefficiently high quantities because of the low marginal cost of purchasing goods. In contrast, buyers with a high desire to consume purchase inefficiently low quantities as they face binding liquidity constraints. The model fits historical US data on velocity and interest rates.

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Paper provided by Society for Economic Dynamics in its series 2005 Meeting Papers with number 462.

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Date of creation: 2005
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Handle: RePEc:red:sed005:462
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  1. Faig, Miquel, 1989. "Seasonal Fluctuations and the Demand for Money," The Quarterly Journal of Economics, MIT Press, vol. 104(4), pages 847-61, November.
  2. Guillaume Rocheteau & Randall Wright, 2005. "Money in Search Equilibrium, in Competitive Equilibrium, and in Competitive Search Equilibrium," Econometrica, Econometric Society, vol. 73(1), pages 175-202, 01.
  3. Aleksander Berentsen & Guillaume Rocheteau, 2004. "Money and Information," Review of Economic Studies, Wiley Blackwell, vol. 71(4), pages 915-944, October.
  4. Aleksander Berentsen & Gabriele Camera, 2004. "Money, Credit, and Banking," 2004 Meeting Papers 473, Society for Economic Dynamics.
  5. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
  6. Miquel Faig, 2004. "Divisible Money in an Economy with Villages," Levine's Bibliography 122247000000000159, UCLA Department of Economics.
  7. Ennis, Huberto M., 2008. "Search, money, and inflation under private information," Journal of Economic Theory, Elsevier, vol. 138(1), pages 101-131, January.
  8. Miquel Faig & Belen Jerez, 2006. "Precautionary Balances and the Velocity of Circulation of Money," 2006 Meeting Papers 457, Society for Economic Dynamics.
  9. Miquel Faig & Xiuhua Huangfu, 2006. "Competitive-Search Equilibrium In Monetary Economies," Working Papers tecipa-217, University of Toronto, Department of Economics.
  10. Ricardo Lagos & Randall Wright, 2004. "A unified framework for monetary theory and policy analysis," Staff Report 346, Federal Reserve Bank of Minneapolis.
  11. Williamson, Steve & Wright, Randall, 1994. "Barter and Monetary Exchange under Private Information," American Economic Review, American Economic Association, vol. 84(1), pages 104-23, March.
  12. Camera, Gabriele & Winkler, Johannes, 2003. "International monetary trade and the law of one price," Journal of Monetary Economics, Elsevier, vol. 50(7), pages 1531-1553, October.
  13. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
  14. Eric Maskin & John Riley, 1984. "Monopoly with Incomplete Information," RAND Journal of Economics, The RAND Corporation, vol. 15(2), pages 171-196, Summer.
  15. Faig, Miquel & Jerez, Belen, 2005. "A theory of commerce," Journal of Economic Theory, Elsevier, vol. 122(1), pages 60-99, May.
  16. Guillaume Rocheteau & Randall Wright, 2003. "Inflation and Welfare in Models with Trading Frictions," PIER Working Paper Archive 03-032, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  17. Shouyong Shi, 1996. "A Divisible Search Model of Fiat Money," Working Papers 930, Queen's University, Department of Economics.
  18. Kiyotaki, Nobuhiro & Wright, Randall, 1989. "On Money as a Medium of Exchange," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 927-54, August.
  19. Mas-Colell, Andreu & Whinston, Michael D. & Green, Jerry R., 1995. "Microeconomic Theory," OUP Catalogue, Oxford University Press, number 9780195102680, March.
  20. Mankiw, N Gregory & Summers, Lawrence H, 1986. "Money Demand and the Effects of Fiscal Policies," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 18(4), pages 415-29, November.
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