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Optimal Monetary Policy in a New Keynesian Model with Habits in Consumption

  • Leith, Campbell
  • Moldovan, Ioana
  • Rossi, Raffaele

While consumption habits have been utilised as a means of generating a humpshaped output response to monetary policy shocks in sticky-price New Keynesian economies, there is relatively little analysis of the impact of habits (particularly,external habits) on optimal policy. In this paper we consider the implications of external habits for optimal monetary policy, when those habits either exist at the level of the aggregate basket of consumption goods (‘superficial’ habits) or at the level of individual goods (‘deep’ habits: see Ravn, Schmitt-Grohe, and Uribe (2006)). External habits generate an additional distortion in the economy, which implies that the flex-price equilibrium will no longer be efficient and that policy faces interesting new trade-offs and potential stabilisation biases. Furthermore, the endogenous mark-up behaviour, which emerges when habits are deep, can also significantly affect the optimal policy response to shocks, as well as dramatically affecting the stabilising properties of standard simple rules.

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Paper provided by Scottish Institute for Research in Economics (SIRE) in its series SIRE Discussion Papers with number 2008-55.

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Date of creation: 2008
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Handle: RePEc:edn:sirdps:68
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  1. Frank Smets & Rafael Wouters, 2007. "Shocks and Frictions in US Business Cycles: A Bayesian DSGE Approach," American Economic Review, American Economic Association, vol. 97(3), pages 586-606, June.
  2. Schmitt-Grohé, Stephanie & Uribe, Martín, 2004. "Optimal Simple and Implementable Monetary and Fiscal Rules," CEPR Discussion Papers 4334, C.E.P.R. Discussion Papers.
  3. Currie,David & Levine,Paul, 2009. "Rules, Reputation and Macroeconomic Policy Coordination," Cambridge Books, Cambridge University Press, number 9780521104609.
  4. Hafedh Bouakez & Emanuela Cardia & Francisco J. Ruge-Murcia, 2002. "Habit Formation and the Persistence of Monetary Shocks," Staff Working Papers 02-27, Bank of Canada.
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  6. Julio J. Rotemberg & Michael Woodford, 1998. "Interest-Rate Rules in an Estimated Sticky Price Model," NBER Working Papers 6618, National Bureau of Economic Research, Inc.
  7. Campbell Leith & Ioana Moldovan & Raffaele Rossi, 2012. "Optimal Monetary Policy in a New Keynesian Model with Habits in Consumption," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 15(3), pages 416-435, July.
  8. Jeffrey C. Fuhrer, 2000. "Habit Formation in Consumption and Its Implications for Monetary-Policy Models," American Economic Review, American Economic Association, vol. 90(3), pages 367-390, June.
  9. Campbell Leith & Jim Malley, 2002. "Estimated General Equilibrium Models for the Evaluation of Monetary Policy in the US and Europe," CESifo Working Paper Series 699, CESifo Group Munich.
  10. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2005. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 113(1), pages 1-45, February.
  11. Frank Smets & Raf Wouters, 2002. "An estimated dynamic stochastic general equilibrium model of the euro area," Working Paper Research 35, National Bank of Belgium.
  12. Morten O. Ravn & Stephanie Schmitt-Grohe & Martín Uribe & Lenno Uuskula, 2008. "Deep Habits and the Dynamic Effects of Monetary Policy Shocks," Economics Working Papers ECO2008/40, European University Institute.
  13. Ravn, Morten O & Schmitt-Grohé, Stephanie & Uribe, Martín, 2004. "Deep Habits," CEPR Discussion Papers 4269, C.E.P.R. Discussion Papers.
  14. Zubairy, Sarah, 2010. "Deep Habits, Nominal Rigidities and Interest Rate Rules," MPRA Paper 26053, University Library of Munich, Germany.
  15. Jeffery D. Amato & Thomas Laubach, 2002. "Implications of habit formation for optimal monetary policy," BIS Working Papers 121, Bank for International Settlements.
  16. Kozicki, Sharon & Tinsley, P. A., 2002. "Dynamic specifications in optimizing trend-deviation macro models," Journal of Economic Dynamics and Control, Elsevier, vol. 26(9-10), pages 1585-1611, August.
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  18. Michael Woodford, 2001. "The Taylor Rule and Optimal Monetary Policy," American Economic Review, American Economic Association, vol. 91(2), pages 232-237, May.
  19. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  20. repec:mtl:montec:08-2002 is not listed on IDEAS
  21. Tatiana Kirsanova & Campbell Leith & Simon Wren-Lewis, 2006. "Should Central Banks Target Consumer Prices or the Exchange Rate?," Economic Journal, Royal Economic Society, vol. 116(512), pages F208-F231, 06.
  22. Harald Uhlig & Lars Ljungqvist, 2000. "Tax Policy and Aggregate Demand Management under Catching Up with the Joneses," American Economic Review, American Economic Association, vol. 90(3), pages 356-366, June.
  23. Levine, Paul & Pearlman, Joseph & Pierse, Richard, 2008. "Linear-quadratic approximation, external habit and targeting rules," Journal of Economic Dynamics and Control, Elsevier, vol. 32(10), pages 3315-3349, October.
  24. Rotemberg, Julio J, 1982. "Sticky Prices in the United States," Journal of Political Economy, University of Chicago Press, vol. 90(6), pages 1187-1211, December.
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