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Endogenous Price Flexibility and Optimal Monetary Policy


  • Ozge Senay
  • Alan Sutherland


Much of the literature on optimal monetary policy uses models in which the degree of nominal price flexibility is exogenous. There are, however, good reasons to suppose that the degree of price flexibility adjusts endogenously to changes in monetary conditions. This paper extends the standard New Keynesian model to incorporate an endogenous degree of price flexibility. The model shows that endo?genising the degree of price flexibility tends to shift optimal monetary policy towards complete inflation stabilisation, even when shocks take the form of cost-push distur?bances. This contrasts with the standard result obtained in models with exogenous price flexibility, which show that optimal monetary policy should allow some degree of inflation volatility in order to stabilise the welfare-relevant output gap.

Suggested Citation

  • Ozge Senay & Alan Sutherland, 2010. "Endogenous Price Flexibility and Optimal Monetary Policy," CDMA Working Paper Series 201007, Centre for Dynamic Macroeconomic Analysis.
  • Handle: RePEc:san:cdmawp:1007

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    References listed on IDEAS

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    7. Dotsey, Michael & King, Robert G., 2005. "Implications of state-dependent pricing for dynamic macroeconomic models," Journal of Monetary Economics, Elsevier, vol. 52(1), pages 213-242, January.
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    14. Levin, Andrew & Yun, Tack, 2007. "Reconsidering the natural rate hypothesis in a New Keynesian framework," Journal of Monetary Economics, Elsevier, vol. 54(5), pages 1344-1365, July.
    15. Ozge Senay & Alan Sutherland, 2006. "Can Endogenous Changes in Price Flexibility Alter the Relative Welfare Performance of Exchange Rate Regimes?," NBER Chapters,in: NBER International Seminar on Macroeconomics 2004, pages 371-412 National Bureau of Economic Research, Inc.
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    Cited by:

    1. Watson, Anna, 2016. "Trade openness and inflation: The role of real and nominal price rigidities," Journal of International Money and Finance, Elsevier, vol. 64(C), pages 137-169.

    More about this item


    Welfare; Endogenous Price Flexibility; Optimal Monetary Policy.;

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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