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Does imperfect competition foster capital accumulation in a developing economy ?

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Author Info
Pascal Belan (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - CNRS : UMR8594 - Université Panthéon-Sorbonne - Paris I, LEN - Laboratoire d'Economie de Nantes - Université de Nantes)
Philippe Michel (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - CNRS : UMR8594 - Université Panthéon-Sorbonne - Paris I, 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 (EHESS) - CNRS : UMR6579)
Bertrand Wigniolle () (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - CNRS : UMR8594 - Université Panthéon-Sorbonne - Paris I)

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Abstract

We analyze the relationship between imperfect competition and capital accumulation in a dual economy, with traditional and modern sectors and two types of agents (workers and capitalists). Workers allocate their time endowment between the two sectors. Capitalistsaccumulate wealth in the modern sector. The economy is open to capital flows, but capitalists face borrowing constraints. Non-competitive behavior of capitalists results in a rent which is extracted from the workers and lowers employment in the modern sector. In the longrun,if capitalists are unconstrained, imperfect competition is beneficial for capital accumulation and growth, while it is detrimental in the converse case. Moreover, not-binding borrowing constraints lead to higher employment and wages. This can motivate the introduction of a subsidy on bequests which allows the economy to reach theunconstrained regime, and is welfare-enhancing for workers.

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Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00268842_v1.

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Date of creation: Jun 2005
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Publication status: Published, Research in Economics, 2005, 59, 2, 189-208
Handle: RePEc:hal:cesptp:halshs-00268842_v1

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Related research
Keywords: imperfect competition; capital accumulation; altruism;

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  1. Bourguignon, Francois, 1981. "Pareto Superiority of Unegalitarian Equilibria in Stiglitz' Model of Wealth Distribution with Convex Saving Function," Econometrica, Econometric Society, vol. 49(6), pages 1469-75, November. [Downloadable!] (restricted)
  2. Gabszewicz, J. & Michel, P., 1992. "Oligopoly Equilibria in Exchange Economies," Papiers d'Economie Mathématique et Applications 92.26, Université Panthéon-Sorbonne (Paris 1).
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  3. Matsuyama, Kiminori, 2000. "Endogenous Inequality," Review of Economic Studies, Blackwell Publishing, vol. 67(4), pages 743-59, October.
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  4. Pascal Belan & Philippe Michel & Bertrand Wigniolle, 2002. "Pension funds and capital accumulation," Economics Bulletin, Economics Bulletin, vol. 4, pages 1-8. [Downloadable!]
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  5. Sorger, Gerhard, 2002. "On the Long-Run Distribution of Capital in the Ramsey Model," Journal of Economic Theory, Elsevier, vol. 105(1), pages 226-243, July. [Downloadable!] (restricted)
  6. John Laitner, 1982. "Monopoly and Long-Run Capital Accumulation," Bell Journal of Economics, The RAND Corporation, vol. 13(1), pages 143-157, Spring. [Downloadable!] (restricted)
  7. N. Gregory Mankiw, 2000. "The Savers-Spenders Theory of Fiscal Policy," American Economic Review, American Economic Association, vol. 90(2), pages 120-125, May. [Downloadable!] (restricted)
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  8. Piyabha Kongsamut & Danyang Xie & Sergio Rebelo, 2001. "Beyond Balanced Growth," IMF Working Papers 01/85, International Monetary Fund.
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  9. Stiglitz, Joseph E, 1969. "Distribution of Income and Wealth among Individuals," Econometrica, Econometric Society, vol. 37(3), pages 382-97, July. [Downloadable!] (restricted)
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  10. Barro, Robert J, 1974. "Are Government Bonds Net Wealth?," Journal of Political Economy, University of Chicago Press, vol. 82(6), pages 1095-1117, Nov.-Dec.. [Downloadable!] (restricted)
  11. Pascal Belan & Philippe Michel & Bertrand Wigniolle, 2007. "Capital Accumulation, Welfare, and the Emergence of Pension-Fund Activism," FinanzArchiv: Public Finance Analysis, Mohr Siebeck, Tübingen, vol. 63(1), pages 54-82, March. [Downloadable!] (restricted)
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  12. Jaskold Gabszewicz, Jean & Vial, Jean-Philippe, 1972. "Oligopoly "A la cournot" in a general equilibrium analysis," Journal of Economic Theory, Elsevier, vol. 4(3), pages 381-400, June. [Downloadable!] (restricted)
  13. Codognato, Giulio & Gabszewicz, Jean J, 1993. "Cournot-Walras Equilibria in Markets with a Continuum of Traders," Economic Theory, Springer, vol. 3(3), pages 453-64, July.
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