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On existence and bubbles of Ramsey equilibrium with borrowing constraints

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  • Robert Becker
  • Stefano Bosi
  • Cuong Le Van
  • Thomas Seegmuller

Abstract

We address the issues of existence of Ramsey equilibrium under bor- rowing constraints and occurrence of rational bubbles. First, we consider a time-truncated economy. Since the feasible allo- cations sets of our economy are uniformly bounded, we prove that there exists an equilibrium in a time-truncated bounded economy by Gale and Mas-Colell's (1975) theorem. Actually, this equilibrium turns out to be an equilibrium for the time-truncated economy as the uniform bounds are relaxed, as is commonly shown in general equilibrium proofs of existence for ffnite-dimensional commodity spaces. Second, we take the limit of a sequence of truncated, unbounded economies, and prove the existence of an intertemporal equilibrium in the limit economy. Third, rational bubbles never occur in our productive economy.

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Bibliographic Info

Paper provided by Department of Research, Ipag Business School in its series Working Papers with number 2014-105.

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Length: 23 pages
Date of creation: 25 Feb 2014
Date of revision:
Handle: RePEc:ipg:wpaper:2014-105

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Keywords: Ramsey model; heterogeneous agents; labor supply; borrowing constraint; bubbles.;

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References

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  1. Cuong Le Van & Manh-Hung Nguyen & Yiannis Vailakis, 2005. "Equilibrium dynamics in an aggregative model of capital accumulation with heterogeneous agents and elastic labor," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00197560, HAL.
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  7. Cuong Le Van & Yiannis Vailakis, 2003. "Existence of a competitive equilibrium in a one sector growth model with heterogeneous agents and irreversible investment," Economic Theory, Springer, vol. 22(4), pages 743-771, November.
  8. T. J. Kehoe & D. K. Levine, 1982. "Comparative Statics and Perfect Foresight in Infinite Horizon Economies," Working papers 312, Massachusetts Institute of Technology (MIT), Department of Economics.
  9. Robert Becker & Ram Sewak Dubey & Tapan Mitra, 2012. "On Ramsey Equilibrium: Capital Ownership Pattern and Inefficiency," Caepr Working Papers 2012-007, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
  10. Coles, Jeffrey L., 1986. "Equilibrium turnpike theory with time-separable utility," Journal of Economic Dynamics and Control, Elsevier, vol. 10(3), pages 367-394, September.
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  19. Stefano Bosi & Thomas Seegmuller, 2007. "On the Ramsey equilibrium with heterogeneous consumers and endogenous labor supply," Documents de travail du Centre d'Economie de la Sorbonne v07003a, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, revised Jul 2007.
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Citations

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Cited by:
  1. Frédéric Teulon, 2014. "Les bulles spéculatives et le marché de l’immobilier," Working Papers 2014-418, Department of Research, Ipag Business School.
  2. Stefano Bosi & Cuong Le Van & Ngoc-Sang Pham, 2014. "Intertemporal equilibrium with production: bubbles and efficiency," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-01020888, HAL.
  3. Stefano Bosi & Cuong Le Van & Ngoc-Sang Pham, 2014. "Intertemporal equilibrium with production: bubbles and efficiency," Documents de travail du Centre d'Economie de la Sorbonne 14043, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  4. Stefano Bosi & Cuong Le Van & Ngoc-Sang Pham, 2014. "Intertemporal equilibrium with production: bubbles and efficiency," Working Papers 2014-306, Department of Research, Ipag Business School.
  5. Kazuo Nishimura & Carine Nourry & Thomas Seegmuller & Alain Venditti, 2014. "On the (de)Stabilizing Effect of Public Debt In a Ramsey Model with Heterogeneous Agents," Discussion Paper Series DP2014-03, Research Institute for Economics & Business Administration, Kobe University.
  6. Ngoc-Sang Pham, 2013. "Collateral monetary equilibrium with liquidity constraints in an infinite horizon economy," Documents de travail du Centre d'Economie de la Sorbonne 13055r, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, revised Sep 2013.
  7. Robert Becker & Ram Sewak Dubey & Tapan Mitra, 2012. "On Ramsey Equilibrium: Capital Ownership Pattern and Inefficiency," Caepr Working Papers 2012-007, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.

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