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The Case for Inflation Stability

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  • Collard, Fabrice
  • Dellas, Harris

Abstract

We evaluate the case for perfect price (inflation) stabilization in a New Keynesian (NNS) model that includes capital accumulation, a variety of shocks, a monetary and an imperfect competition distortion. In such a model, price rigidity may provide the monetary authorities with an opportunity to improve upon the inefficient flexible price equilibrium via the suitable cyclical manipulation of real marginal costs. We find that such an opportunity is of limited value. With only the imperfect competition friction present (in the ‘cashless’ version of the model), inflation variability is costly independent of the level of capital adjustment costs, the degree of price rigidity, the size of mark-ups, the degree of risk aversion and the type of the shock. A small amount of inflation variability may become desirable when prices are fairly flexible and capital adjustment costs low if the model includes both frictions.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4082.

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Date of creation: Oct 2003
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Handle: RePEc:cpr:ceprdp:4082

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Keywords: distortions; inflation stabilization; investment; price rigidity;

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References

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  1. Aubhik Khan & Robert G. King & Alexander L. Wolman, 2002. "Optimal Monetary Policy," NBER Working Papers 9402, National Bureau of Economic Research, Inc.
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Cited by:
  1. Jordi Caballe & Jana Hromcova, 2001. "The Role of Central Bank Operating Procedures in an Economy with Productive Government Spending," UFAE and IAE Working Papers 504.01, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
  2. Berger, Wolfram, 2008. "Monetary policy rules and the exchange rate," Journal of Macroeconomics, Elsevier, vol. 30(3), pages 1064-1084, September.

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