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Optimal Time-Consistent Monetary Policy in a Phillips Curve World

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Thomas F. Cooley
Vincenzo Quadrini

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Abstract

In this paper we study the optimal and time-consistent policy in a model economy that integrates the modern theory of unemployment with a liquidity model of monetary transmission. When the economy is subject to aggregate productivity shocks the optimal monetary policy is pro-cyclical---it increases the growth rate of money after a positive productivity shock and decreases the growth rate of money after a negative technology shock---and the model generates the Phillips Curve feature of a positive correlation between inflation and employment. We also study the long-run properties of the optimal policy under full commitment and compare it to the time-consistent policy. We show that, under some conditions, the optimal policy with commitment induces a long-run inflation rate that is higher than the long-run inflation rate in absence of policy commitment (time-consistent policy). This is in contrast to many studies that have argued that the inability of the monetary authority to commit induces a higher inflation rate.

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Paper provided by New York University, Leonard N. Stern School of Business, Department of Economics in its series Working Papers with number 99-15.

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Date of creation: 1999
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Handle: RePEc:ste:nystbu:99-15

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Postal: New York University, Leonard N. Stern School of Business, Department of Economics, 44 West 4th Street, New York, NY 10012-1126
Phone: (212) 998-0860
Fax: (212) 995-4218
Web page: http://w4.stern.nyu.edu/economics/
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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Richard Clarida & Jordi Gali & Mark Gertler, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December. [Downloadable!] (restricted)
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  2. V. V. Chari & Lawrence J. Christiano & Patrick J. Kehoe, 1993. "Optimality of the Friedman Rule in Economies with Distorting Taxes," NBER Working Papers 4443, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  3. Svensson, Lars E. O., 1997. "Inflation forecast targeting: Implementing and monitoring inflation targets," European Economic Review, Elsevier, vol. 41(6), pages 1111-1146, June. [Downloadable!] (restricted)
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  4. Hamilton, James D, 1997. "Measuring the Liquidity Effect," American Economic Review, American Economic Association, vol. 87(1), pages 80-97, March. [Downloadable!] (restricted)
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  5. Ireland, Peter N, 1996. "The Role of Countercyclical Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 104(4), pages 704-23, August. [Downloadable!] (restricted)
  6. Krusell, Per & Quadrini, Vincenzo & Rios-Rull, Jose-Victor, 1997. "Politico-economic equilibrium and economic growth," Journal of Economic Dynamics and Control, Elsevier, vol. 21(1), pages 243-272, January. [Downloadable!] (restricted)
  7. Krusell, Per & Quadrini, Vincenzo & Rios-Rull, Jose-Victor, 1996. "Are consumption taxes really better than income taxes?," Journal of Monetary Economics, Elsevier, vol. 37(3), pages 475-503, June. [Downloadable!] (restricted)
  8. Wouter den Haan & Garey Ramey & Joel Watson, 1999. "Liquidity Flows and Fragility of Business Enterprises," NBER Working Papers 7057, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  9. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November. [Downloadable!] (restricted)
  10. John B. Taylor, 1998. "An Historical Analysis of Monetary Policy Rules," NBER Working Papers 6768, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  11. Andolfatto, David, 1996. "Business Cycles and Labor-Market Search," American Economic Review, American Economic Association, vol. 86(1), pages 112-32, March. [Downloadable!] (restricted)
  12. Eric M. Leeper & Christopher A. Sims & Tao Zha, 1996. "What Does Monetary Policy Do?," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 27(1996-2), pages 1-78. [Downloadable!]
  13. Christiano, Lawrence J & Eichenbaum, Martin & Evans, Charles, 1996. "The Effects of Monetary Policy Shocks: Evidence from the Flow of Funds," The Review of Economics and Statistics, MIT Press, vol. 78(1), pages 16-34, February. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Antonella Trigari, 2004. "Labour Market Search, Wage Bargaining and Inflation Dynamics," Working Papers 268, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University. [Downloadable!]
  2. Stefano Neri, 2004. "Monetary policy and stock prices: theory and evidence," Temi di discussione (Economic working papers) 513, Bank of Italy, Economic Research Department. [Downloadable!]
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