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Monetary discretion, pricing complementarity and dynamic multiple equilibria

  • R. King
  • A. Wolman

A discretionary policy-maker responds to the state of the economy each period. Private agents' current behavior determines the future state based on expectations of future policy. Discretionary policy thus can lead to dynamic complementarity between private agents and a policy-maker, which in turn can generate multiple equilibria. Working in a simple new Keynesian model with two-period staggered pricing-in which equilibrium is unique under commitment-we illustrate this interaction: if firms expect a high future money supply, (i) they will set a high current price; and (ii) the future monetary authority will accommodate with a higher money supply, so as not to distort relative prices. We show that there are two point-in-time equilibria under discretion, and we construct a related stochastic sunspot equilibrium. © 2004 MIT Press

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Volume (Year): (2003)
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Handle: RePEc:fip:fedgpr:y:2003:x:8
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  1. Stefania Albanesi & V.V. Chari & Lawrence J. Christiano, . "Expectation Traps and Monetary Policy," Working Papers 198, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  2. 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.
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  7. Miles S. Kimball, 1995. "The Quantitative Analytics of the Basic Neomonetarist Model," NBER Working Papers 5046, National Bureau of Economic Research, Inc.
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  9. Ennis, Huberto M. & Keister, Todd, 2005. "Government policy and the probability of coordination failures," European Economic Review, Elsevier, vol. 49(4), pages 939-973, May.
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  12. Robert J. Barro & David B. Gordon, 1981. "A Positive Theory of Monetary Policy in a Natural-Rate Model," NBER Working Papers 0807, National Bureau of Economic Research, Inc.
  13. Glomm, Gerhard & Ravikumar, B., 1996. "Endogenous public policy and multiple equilibria," European Journal of Political Economy, Elsevier, vol. 11(4), pages 653-662, April.
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  16. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-91, June.
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