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Local Determinacy with Non-separable Utility

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Author Info
Patrick-Antoine Pintus () (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - Université de la Méditerranée - Aix-Marseille II - Université Paul Cézanne - Aix-Marseille III - Ecole des Hautes Etudes en Sciences Sociales - CNRS : UMR6579)

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Abstract

This paper introduces general formulations for both technology (with input substitution) and non-separable utility (compatible with balanced growth and stationary worked hours) into a benchmark RBC model. It is shown that intertemporal substitution and input substitutability lead to local determinacy and rule out stationary sunspot equilibria when labor demand is downward-sloping, in contrast with recent results obtained under the assumption of separable utility. The main intuition behind this result is shown to work as follows: in contrast with separable preferences, increasing the elasticity of intertemporal substitution in consumption necessarily implies decreasing the elasticity of constant-consumption labor supply, when utility is non-separable and concave, which affects unfavorably the occurrence of local indeterminacy.

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Paper provided by HAL in its series Working Papers with number halshs-00409585_v1.

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Date of creation: 10 Aug 2009
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Handle: RePEc:hal:wpaper:halshs-00409585_v1

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Related research
Keywords: real business cycles; intertemporal substitution; capital-labor substitution; externalities; indeterminacy; sunspots.;

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References listed on IDEAS
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  1. Patrick Pintus, 2006. "Indeterminacy with almost constant returns to scale: capital-labor substitution matters," Economic Theory, Springer, vol. 28(3), pages 633-649, 08. [Downloadable!] (restricted)
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Cited by:
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  1. Francesco Busato & Enrico Marchetti, 2009. "Skills, sunspots and cycles," Journal of Economics, Springer, vol. 97(3), pages 189-215, July. [Downloadable!] (restricted)
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  2. Lloyd-Braga, Teresa & Nourry, Carine & Venditti, Alain, 2006. "Indeterminacy with Small Externalities: The Role of Non-Separable Preferences," CEPR Discussion Papers 5541, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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This page was last updated on 2009-11-28.

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