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Epstein-Zin preferences and their use in macro-finance models: implications for optimal monetary policy

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  • Darracq Pariès, Matthieu
  • Loublier, Alexis

Abstract

Epstein-Zin preferences have attracted significant attention within the macro-finance literature based on DSGE models as they allow to substantially increase risk aversion, and consequently generate non-trivial risk premia, without compromising the ability of standard models to achieve satisfactory macroeconomic data coherence. Such appealing features certainly hold for structural modelling frameworks where monetary policy is set according to Taylor-type rules or seeks to minimize an ad hoc loss function under commitment. However, Epstein-Zin preferences may have significant quantitative implications for both asset pricing and macroeconomic allocation under a welfare-based monetary policy conduct. Against this background, the paper focuses on the impact of such preferences on the Ramsey approach to monetary policy within a medium-scale model based on Smets and Wouters (2007) including a wide range of nominal and real frictions that have proven to be relevant for quantitative business cycle analysis. After setting an empirical benchmark that generates a mean value of 100 bp for the ten-year term premium, we show that Epstein-Zin preferences significantly affect the macroeconomic outcome when optimal policy is considered. The level and the dynamic pattern of risk premia are also markedly altered. We show that the effect of Epstein-Zin preferences is extremely sensitive to the presence of real rigidities in the form of quasi-kinked demands. We also analyse how this effect can be linked to a combined e¤ect of capital accumulation and wage rigidities. JEL Classification: E44, E52, E61, G12

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Bibliographic Info

Paper provided by European Central Bank in its series Working Paper Series with number 1209.

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Date of creation: Jun 2010
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Handle: RePEc:ecb:ecbwps:20101209

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Keywords: macroeconometric equivalence; non time-separable preferences; optimal monetary policy; term premium;

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  1. Dario Caldara & Jesús Fernández-Villaverde & Juan F. Rubio-Ramírez & Wen Yao, 2009. "Computing DSGE Models with Recursive Preferences," NBER Working Papers 15026, National Bureau of Economic Research, Inc.
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  3. Ralph S.J. Koijen & Jules H. van Binsbergen & Juan F. Rubio-Ramírez & Jesus Fernandez-Villaverde, 2008. "Likelihood Estimation of DSGE Models with Epstein-Zin Preferences," 2008 Meeting Papers 1099, Society for Economic Dynamics.
  4. Ang, Andrew & Piazzesi, Monika & Wei, Min, 2006. "What does the yield curve tell us about GDP growth?," Journal of Econometrics, Elsevier, vol. 131(1-2), pages 359-403.
  5. Martin Møller Andreasen, 2008. "Explaining Macroeconomic and Term Structure Dynamics Jointly in a Non-linear DSGE Model," CREATES Research Papers 2008-43, School of Economics and Management, University of Aarhus.
  6. Michael Woodford & Pierpaolo Benigno, 2004. "Inflation Stabilization and Welfare: The Case of a Distorted Steady State," 2004 Meeting Papers 481, Society for Economic Dynamics.
  7. Marin, Dalia & Verdier, Thierry, 2008. "Corporate Hierarchies and the Size of Nations: Theory and Evidence," CEPR Discussion Papers 6734, C.E.P.R. Discussion Papers.
  8. Adjemian, Stéphane & Darracq Pariès, Matthieu & Moyen, Stéphane, 2008. "Towards a monetary policy evaluation framework," Working Paper Series 0942, European Central Bank.
  9. Oreste Tristani & Gianni Amisano, 2010. "A nonlinear DSGE model of the term structure with regime shifts," 2010 Meeting Papers 234, Society for Economic Dynamics.
  10. Adjemian, Stéphane & Darracq Pariès, Matthieu & Moyen, Stéphane, 2007. "Optimal monetary policy in an estimated DSGE for the euro area," Working Paper Series 0803, European Central Bank.
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