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Optimal Choice of Monetary Instruments in an Economy with Real and Liquidity Shocks

  • Bhattacharya, Joydeep
  • Singh, Rajesh

Faced with real and nominal shocks, what should a benevolent central bank do, fix the money growth rate or target the inflation rate? In this paper, we make a first attempt at studying the optimal choice of monetary policy instruments in a micro-founded model of money. Specifically, we produce an overlapping generations economy in which limited communication and stochastic relocation creates an endogenous transactions role for fiat money. We find that when the shocks are real, welfare is higher under money growth targeting; when the shocks are nominal and not large, welfare is higher under inflation rate targeting. While under inflation rate targeting, it is always optimal to pursue an expansionary policy, it is never optimal to do so under money growth targeting.

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Paper provided by Iowa State University, Department of Economics in its series Staff General Research Papers with number 12355.

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Date of creation: 10 May 2005
Date of revision:
Publication status: Published in Journal of Economic Dynamics and Control, April 2008, vol. 32 no. 4, pp. 1273-1311
Handle: RePEc:isu:genres:12355
Contact details of provider: Postal: Iowa State University, Dept. of Economics, 260 Heady Hall, Ames, IA 50011-1070
Phone: +1 515.294.6741
Fax: +1 515.294.0221
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  1. Aubhik Khan & Robert King & Alexander L. Wolman, 2002. "Optimal monetary policy," Working Papers 02-19, Federal Reserve Bank of Philadelphia.
  2. Stacey L. Schreft & Bruce D. Smith, 1994. "Money, banking, and capital formation," Working Paper 94-05, Federal Reserve Bank of Richmond.
  3. Antinolfi, Gaetano & Huybens, Elisabeth & Keister, Todd, 2001. "Monetary Stability and Liquidity Crises: The Role of the Lender of Last Resort," Journal of Economic Theory, Elsevier, vol. 99(1-2), pages 187-219, July.
  4. William Poole, 1969. "Optimal choice of monetary policy instruments in a simple stochastic macro model," Special Studies Papers 2, Board of Governors of the Federal Reserve System (U.S.).
  5. Champ, B. & Snith, B.D. & Williamson, D.S., 1991. "Currency Elasticity and Banking Panics: Theory and Evidence," RCER Working Papers 292, University of Rochester - Center for Economic Research (RCER).
  6. N. Gregory Mankiw & Ricardo Reis, 2002. "What Measure of Inflation Should a Central Bank Target?," NBER Working Papers 9375, National Bureau of Economic Research, Inc.
  7. Gaetano Antinolfi & Todd Keister, 2003. "Discount Window Policy, Banking Crises, and Indeterminacy of Equilibrium," Working Papers 0305, Centro de Investigacion Economica, ITAM.
  8. Collard, Fabrice & Dellas, Harris, 2003. "Poole in the New Keynesian Model," CEPR Discussion Papers 4083, C.E.P.R. Discussion Papers.
  9. Townsend, Robert M, 1987. "Economic Organization with Limited Communication," American Economic Review, American Economic Association, vol. 77(5), pages 954-71, December.
  10. Douglas W. Diamond & Philip H. Dybvig, 2000. "Bank runs, deposit insurance, and liquidity," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Win, pages 14-23.
  11. Bhattacharya, Joydeep & Haslag, Joseph & Russell, Steven, 2004. "The Role of Money in Two Alternative Models: When is the Friedman Rule Optimal, and Why?," Staff General Research Papers 11950, Iowa State University, Department of Economics.
  12. Charles T. Carlstrom & Timothy S. Fuerst, 1995. "Interest rate rules vs. money growth rules: a welfare comparison in a cash-in-advance economy," Working Paper 9504, Federal Reserve Bank of Cleveland.
  13. Beatrix Paal & Bruce D. Smith, 2001. "The sub-optimality of the Friedman rule and the optimum quantity of money," IEHAS Discussion Papers 0113, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
  14. Smith, Bruce D, 1988. "Legal Restrictions, "Sunspots," and Peel's Bank Act: The Real Bills Doctrine versus the Quantity Theory Reconsidered," Journal of Political Economy, University of Chicago Press, vol. 96(1), pages 3-19, February.
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