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Liquidity Traps, Learning and Stagnation

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  • Evans, George W
  • Guse, Eran
  • Honkapohja, Seppo

Abstract

We examine global economic dynamics under learning in a New Keynesian model in which the interest-rate rule is subject to the zero lower bound. Under normal monetary and fiscal policy, the intended steady state is locally but not globally stable. Large pessimistic shocks to expectations can lead to deflationary spirals with falling prices and falling output. To avoid this outcome we recommend augmenting normal policies with aggressive monetary and fiscal policy that guarantee a lower bound on inflation. In contrast, policies geared toward ensuring an output lower bound are insufficient for avoiding deflationary spirals.

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Bibliographic Info

Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6355.

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Date of creation: Jun 2007
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Handle: RePEc:cpr:ceprdp:6355

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Keywords: adaptive learning; fiscal policy; indeterminacy; monetary policy; zero interest rate lower bound;

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References

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  1. Laurence Ball, 2005. "Fiscal Remedies for Japan's Slump," NBER Working Papers 11374, National Bureau of Economic Research, Inc.
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  18. George W. Evans & Seppo Honkapohja, 2003. "Policy Interaction, Expectations and the Liquidity Trap," University of Oregon Economics Department Working Papers 2003-33, University of Oregon Economics Department, revised 06 Jul 2004.
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  23. Leeper, Eric M., 1991. "Equilibria under 'active' and 'passive' monetary and fiscal policies," Journal of Monetary Economics, Elsevier, vol. 27(1), pages 129-147, February.
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  25. Gauti B. Eggertsson & Michael Woodford, 2003. "The Zero Bound on Interest Rates and Optimal Monetary Policy," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 34(1), pages 139-235.
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  1. "Deep Recession Calls for Healthy Dose of Fiscal Stimulation"
    by Mark Thoma in Economist's View on 2009-08-02 20:06:09
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