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Investment and Monetary Policy: Learning and Determinacy of Equilibrium

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Author Info
John Duffy
Wei Xiao

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Abstract

We examine determinancy and expectational stability (learnability) of rational expectations equilibrium (REE) in sticky price New Keynesian (NK) models of the monetary transmission mechanism. We consider three different New Keynesian models: a labor-only model and two models that add capital -- one where capital is allocated in an economy-wide rental market and another where demand for capital is firm-specific. We find that Bullard and Mitra's (2002, 2007) findings on determinacy and learnability of REE under various interest rate rules in the labor-only NK model do not always extend to models with capital. In particular, the Taylor principle, that the response of interest rates should be more than proportionate to changes in inflation, will not generally suffice to guarantee determinate and/or learnable equilibria in NK models with capital.

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Paper provided by University of Pittsburgh, Department of Economics in its series Working Papers with number 324.

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Date of creation: Jul 2007
Date of revision: Aug 2008
Handle: RePEc:pit:wpaper:324

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Find related papers by JEL classification:
D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Determination of Interest Rates; Term Structure of Interest Rates
E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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References listed on IDEAS
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  1. Julio J. Rotemberg & Michael Woodford, 1998. "An Optimization-Based Econometric Framework for the Evaluation of Monetary Policy: Expanded Version," NBER Technical Working Papers 0233, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  2. James Bullard & Kaushik Mitra, 2002. "Learning about monetary policy rules," Working Papers 2000-001, Federal Reserve Bank of St. Louis. [Downloadable!]
    Other versions:
  3. Woodford, Michael, 2005. "Firm-Specific Capital and the New Keynesian Phillips Curve," MPRA Paper 825, University Library of Munich, Germany. [Downloadable!]
    Other versions:
  4. Tommy Sveen & Lutz Weinke, 2006. "Firm-specific capital, nominal rigidities, and the Taylor principle," Working Paper 2006/06, Norges Bank. [Downloadable!]
    Other versions:
  5. Xiao, Wei, 2005. "Increasing Returns and the Design of Interest Rate Rules," Working Papers 2005-08, University of New Orleans, Department of Economics and Finance. [Downloadable!]
    Other versions:
  6. Dupor, Bill, 2001. "Investment and Interest Rate Policy," Journal of Economic Theory, Elsevier, vol. 98(1), pages 85-113, May. [Downloadable!] (restricted)
  7. Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December. [Downloadable!] (restricted)
  8. Rudebusch, Glenn D., 2002. "Term structure evidence on interest rate smoothing and monetary policy inertia," Journal of Monetary Economics, Elsevier, vol. 49(6), pages 1161-1187, September. [Downloadable!] (restricted)
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  9. John B. Taylor, 1999. "A Historical Analysis of Monetary Policy Rules," NBER Chapters, in: Monetary Policy Rules, pages 319-348 National Bureau of Economic Research, Inc. [Downloadable!]
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  10. Michael Woodford, 2003. "Optimal Interest-Rate Smoothing," Review of Economic Studies, Blackwell Publishing, vol. 70(4), pages 861-886, October. [Downloadable!] (restricted)
  11. Sveen, Tommy & Weinke, Lutz, 2005. "New perspectives on capital, sticky prices, and the Taylor principle," Journal of Economic Theory, Elsevier, vol. 123(1), pages 21-39, July. [Downloadable!] (restricted)
  12. Michael Woodford, 2001. "The Taylor Rule and Optimal Monetary Policy," American Economic Review, American Economic Association, vol. 91(2), pages 232-237, May. [Downloadable!] (restricted)
  13. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-11, July. [Downloadable!] (restricted)
  14. Marc Paolo Giannoni & Michael Woodford, 2003. "How forward-looking is optimal monetary policy?," Proceedings, Federal Reserve Bank of Cleveland, pages 1425-1483.
  15. Jeffery D. Amato & Thomas Laubach, 1999. "The value of interest rate smoothing : how the private sector helps the Federal Reserve," Economic Review, Federal Reserve Bank of Kansas City, issue Q III, pages 47-64. [Downloadable!]
  16. Kurozumi, Takushi & Van Zandweghe, Willem, 2008. "Investment, interest rate policy, and equilibrium stability," Journal of Economic Dynamics and Control, Elsevier, vol. 32(5), pages 1489-1516, May. [Downloadable!] (restricted)
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  1. George W. Evans & Seppo Honkapohja, 2008. "Expectations, Learning, And Monetary Policy: An Overview Of Recent Research," Working Papers Central Bank of Chile 501, Central Bank of Chile. [Downloadable!]
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