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On efficiency and local uniqueness in two-sector OLG economies

  • Drugeon, Jean-Pierre
  • Nourry, Carine
  • Venditti, Alain

We consider a two-sector overlapping generations model with homothetic preferences. Under standard conditions on technologies, upon large enough values for the share of first period consumption over the wage income, we prove that the dynamic efficiency and local uniqueness of the competitive equilibrium hold. On the contrary, for lower values of the share of first period consumption over the wage income which imply dynamic inefficiency of the steady state, local indeterminacy arises when the elasticity of intertemporal substitution in consumption is large enough.

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Article provided by Elsevier in its journal Mathematical Social Sciences.

Volume (Year): 59 (2010)
Issue (Month): 1 (January)
Pages: 120-144

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Handle: RePEc:eee:matsoc:v:59:y:2010:i:1:p:120-144
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505565

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  1. Venditti, Alain, 2005. "The two sector overlapping generations model: A simple formulation," Research in Economics, Elsevier, vol. 59(2), pages 164-188, June.
  2. Daniele Checchi & Cecilia García Peñalosa, 2005. "Labour Market Institutions and the Personal Distribution of Income in the OECD," UNIMI - Research Papers in Economics, Business, and Statistics unimi-1009, Universitá degli Studi di Milano.
  3. Timothy J Kehoe & David K Levine, 1985. "Comparative Statics and Perfect Foresight in Infinite Horizon Economies," Levine's Working Paper Archive 1873, David K. Levine.
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  7. repec:cup:cbooks:9780521001151 is not listed on IDEAS
  8. Bosi, Stefano & Magris, Francesco & Venditti, Alain, 2005. "Competitive equilibrium cycles with endogenous labor," Journal of Mathematical Economics, Elsevier, vol. 41(3), pages 325-349, April.
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  13. Lloyd-Braga, Teresa & Nourry, Carine & Venditti, Alain, 2007. "Indeterminacy in dynamic models: When Diamond meets Ramsey," Journal of Economic Theory, Elsevier, vol. 134(1), pages 513-536, May.
  14. Cremers, Emily, 2006. "Dynamic Efficiency in the Two-Sector Overlapping Generations Model," Staff General Research Papers 34856, Iowa State University, Department of Economics.
  15. Guido Cazzavillan & Patrick Pintus, 2006. "Endogenous Business Cycles and Dynamic Inefficiency," Working Papers 2006_37, Department of Economics, University of Venice "Ca' Foscari".
  16. Becker, Robert A. & Tsyganov, Eugene N., 2002. "Ramsey Equilibrium in a Two-Sector Model with Heterogeneous Households," Journal of Economic Theory, Elsevier, vol. 105(1), pages 188-225, July.
  17. Galor, Oded, 1992. "A Two-Sector Overlapping-Generations Model: A Global Characterization of the Dynamical System," Econometrica, Econometric Society, vol. 60(6), pages 1351-86, November.
  18. Brock, William A, 1973. "Some Results on the Uniqueness of Steady States in Multisector Models of Optimum Growth when Future Utilities are Discounted," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 14(3), pages 535-59, October.
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