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Stability Analysis in a Monetary Model With a Varying Intertemporal Elasticity of Substitution

  • Orlando Gomes

Models dealing with monetary policy are generally based on microfoundations that characterize the behavior of representative agents (households and firms). To explain the representative consumer behavior, it generally assumes a utility function in which the intertemporal elasticity of substitution is constant. Recent literature casts some doubts about the relevance of considering such a constant elasticity value. In this paper, the new Keynesian monetary policy model is explored under the assumption that the elasticity of substitution changes with expectations regarding real economic performance. As a result, one observes that some combinations of parameter values allow for a stable fixed point outcome, while other combinations of parameters are compatible with cycles of various periodicities and even aperiodic fluctuations.

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Article provided by IUP Publications in its journal The IUP Journal of Monetary Economics.

Volume (Year): VII (2009)
Issue (Month): 2 (May)
Pages: 32-41

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Handle: RePEc:icf:icfjmo:v:07:y:2009:i:2:p:32-41
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  1. Alvarez-Pelaez, Maria J. & Diaz, Antonia, 2005. "Minimum consumption and transitional dynamics in wealth distribution," Journal of Monetary Economics, Elsevier, vol. 52(3), pages 633-667, April.
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  3. Kazuo Nishimura & Tadashi Shigoka & Makoto Yano, 1998. "Interior Optimal Chaos with Arbitrarily Low Discount Rates," The Japanese Economic Review, Japanese Economic Association, vol. 49(3), pages 223-233, 09.
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  7. Hall, Robert E, 1988. "Intertemporal Substitution in Consumption," Journal of Political Economy, University of Chicago Press, vol. 96(2), pages 339-57, April.
  8. Christopher Bliss, 2004. "Some Implications of a Variable EIS," Economics Papers 2004-W26, Economics Group, Nuffield College, University of Oxford.
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  13. John Y. Campbell & N. Gregory Mankiw, 1989. "Consumption, Income, and Interest Rates: Reinterpreting the Time Series Evidence," NBER Working Papers 2924, National Bureau of Economic Research, Inc.
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  15. Orazio P. Attanasio & Guglielmo Weber, 1994. "Is Consumption Growth Consistent with Intertemporal Optimization? Evidence from the Consumer Expenditure Survey," NBER Working Papers 4795, National Bureau of Economic Research, Inc.
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