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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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File URL: http://www.econ.iastate.edu/sites/default/files/publications/papers/paper_12355_05016.pdf
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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
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Publication status: Published in Journal of Economic Dynamics and Control, April 2008, vol. 32 no. 4, pp. 1273-1311
Handle: RePEc:isu:genres:12355
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Iowa State University, Dept. of Economics, 260 Heady Hall, Ames, IA 50011-1070

Phone: +1 515.294.6741
Fax: +1 515.294.0221
Web page: http://www.econ.iastate.edu
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  1. Collard, Fabrice & Dellas, Harris, 2005. "Poole in the New Keynesian model," European Economic Review, Elsevier, vol. 49(4), pages 887-907, May.
  2. 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.
  3. Gaetano Antinolfi & Todd Keister, 2003. "Discount Window Policy, Banking Crises, and Indeterminacy of Equilibrium," Working Papers 0305, Centro de Investigacion Economica, ITAM.
  4. Carlstrom, Charles T. & Fuerst, Timothy S., 1995. "Interest rate rules vs. money growth rules a welfare comparison in a cash-in-advance economy," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 247-267, November.
  5. Aubhik Khan & Robert G. King & Alexander L. Wolman, 2003. "Optimal Monetary Policy," Review of Economic Studies, Oxford University Press, vol. 70(4), pages 825-860.
  6. 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.
  7. Schreft, Stacey L. & Smith, Bruce D., 1997. "Money, Banking, and Capital Formation," Journal of Economic Theory, Elsevier, vol. 73(1), pages 157-182, March.
  8. N. Gregory Mankiw & Ricardo Reis, 2002. "What Measure of Inflation Should a Central Bank Target?," Harvard Institute of Economic Research Working Papers 1984, Harvard - Institute of Economic Research.
  9. Diamond, Douglas W & Dybvig, Philip H, 1983. "Bank Runs, Deposit Insurance, and Liquidity," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 401-19, June.
  10. William Poole, 1970. "Optimal choice of monetary policy instruments in a simple stochastic macro model," Staff Studies 57, Board of Governors of the Federal Reserve System (U.S.).
  11. Champ, B. & Smith, B.D., 1991. "Currency Elasticity and Banking Panics: theory and Evidence," University of Western Ontario, The Centre for the Study of International Economic Relations Working Papers 9109, University of Western Ontario, The Centre for the Study of International Economic Relations.
  12. 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.
  13. William Poole, 1970. "Optimal Choice of Monetary Policy Instruments in a Simple Stochastic Macro Model," The Quarterly Journal of Economics, Oxford University Press, vol. 84(2), pages 197-216.
  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.
  15. Townsend, Robert M, 1987. "Economic Organization with Limited Communication," American Economic Review, American Economic Association, vol. 77(5), pages 954-71, December.
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