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The Cost of Tractability and the Calvo Pricing Assumption

  • Fang Yao
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    This paper demonstrates that tractability gained from the Calvo pricing assumption is costly in terms of aggregate dynamics. I derive a generalized New Keynesian Phillips curve featuring a generalized hazard function, non-zero steady state inflation and real rigidity. An- alytically, I find that important dynamics in the NKPC are canceled out due to the restrictive Calvo assumption. I also present a general result, showing that, under certain conditions, this generalized Calvo pricing model generates the same aggregate dynamics as the gen- eralized Taylor model with heterogeneous price durations. The richer dynamic structure introduced by the non-constant hazards is also quantitatively important to the inflation dy- namics. Incorporation of real rigidity and trend inflation strengthen this effect even further. With reasonable parameter values, the model accounts for hump-shaped impulse responses of inflation to the monetary shock, and the real effects of monetary shocks are 2-3 times higher than those in the Calvo model.

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    File URL: http://sfb649.wiwi.hu-berlin.de/papers/pdf/SFB649DP2009-042.pdf
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    Paper provided by Sonderforschungsbereich 649, Humboldt University, Berlin, Germany in its series SFB 649 Discussion Papers with number SFB649DP2009-042.

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    Length: 35 pages
    Date of creation: Sep 2009
    Date of revision:
    Handle: RePEc:hum:wpaper:sfb649dp2009-042
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    1. Andrew Levin & Günter Coenen, 2005. "Identifying the Influences of Nominal and Real Rigidities in Aggregate Price-Setting Behavior," Computing in Economics and Finance 2005 66, Society for Computational Economics.
    2. Álvarez, Luis J., 2007. "What Do Micro Price Data Tell Us on the Validity of the New Keynesian Phillips Curve?," Economics Discussion Papers 2007-46, Kiel Institute for the World Economy.
    3. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
    4. Jeffrey R. Campbell & Benjamin Eden, 2014. "Rigid Prices: Evidence From U.S. Scanner Data," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 55, pages 423-442, 05.
    5. Engin Kara & Huw Dixon, 2005. "Persistence and Nominal Inertia in a Generalised Taylor Economy: How Loner Contracts Dominate Shorter Contracts," Money Macro and Finance (MMF) Research Group Conference 2005 82, Money Macro and Finance Research Group.
    6. Álvarez, L. & Dhyne, E. & Hoeberichts, M. & Kwapil, C. & Le Bihan, H. & Lünnemann, P. & Martins, F. & Sabbatini, R. & Stahl,H. & Vermeulen, P. & Vilmunen, J., 2005. "Sticky Prices in the Euro Area: A Summary of New Micro Evidence," Working papers 138, Banque de France.
    7. Argia M. Sbordone, 2001. "Prices and Unit Labor Costs: A New Test of Price Stickiness," Departmental Working Papers 200112, Rutgers University, Department of Economics.
    8. Andreas Hornstein, 2007. "Evolving inflation dynamics and the New Keynesian Phillips curve," Economic Quarterly, Federal Reserve Bank of Richmond, issue Fall, pages 317-339.
    9. Richard Mash, 2003. "New Keynesian Microfoundations Revisited: A Calvo-Taylor-Rule-of-Thumb Model and Optimal Monetary Policy Delegation," Economics Series Working Papers 174, University of Oxford, Department of Economics.
    10. Guido Ascari, 2004. "Staggered Prices and Trend Inflation: Some Nuisances," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 7(3), pages 642-667, July.
    11. Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics.
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    15. repec:nbr:nberre:0126 is not listed on IDEAS
    16. Kevin D. Sheedy, 2007. "Intrinsic inflation persistence," LSE Research Online Documents on Economics 3739, London School of Economics and Political Science, LSE Library.
    17. Felipe Schwartzman & Carlos Carvalho, 2008. "Heterogeneous Price Setting Behavior and Monetary Non-neutrality: Some General Results," 2008 Meeting Papers 1040, Society for Economic Dynamics.
    18. Esteban Jadresic, 1999. "Sticky Prices; An Empirical Assessment of Alternative Models," IMF Working Papers 99/72, International Monetary Fund.
    19. Emi Nakamura & Jón Steinsson, 2008. "Five Facts about Prices: A Reevaluation of Menu Cost Models," The Quarterly Journal of Economics, MIT Press, vol. 123(4), pages 1415-1464, November.
    20. Taylor, John B, 1980. "Aggregate Dynamics and Staggered Contracts," Journal of Political Economy, University of Chicago Press, vol. 88(1), pages 1-23, February.
    21. Carlos Carvalho, 2005. "Heterogeneity in Price Setting and the Real Effects of Monetary Shocks," Macroeconomics 0509017, EconWPA, revised 12 Sep 2005.
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