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Complete Markets, Enforcement Constraints and Intermediation

  • Eva Carceles-Poveda
  • Arpad Abraham

Alvarez and Jermann (2000) show that the constrained efficient allocations of endowment economies with complete markets and limited commitment can be decentralized with endogenous borrowing limits on the Arrow securities. In a model with capital accumulation, aggregate risk and competitive intermediaries, we show that such a decentralization is not possible unless one imposes an upper limit on the intermediaries' capital holdings. Since there is no empirical evidence of such restrictions, we also characterize the equilibrium with no capital accumulation constraints. We show that this allocation solves a similar system of equations to the one of the constrained optimal solution, a result which considerably simplifies the equilibrium computation. In addition, capital accumulation is higher in this case, since the intermediaries do not internalize that fact that a higher aggregate capital increases the incentives to default. Finally, this also implies that agents may enjoy a higher welfare in the long run in spite of the fact that this allocation is not constrained efficient

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File URL: http://repec.org/sed2005/up.28590.1107186917.pdf
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Paper provided by Society for Economic Dynamics in its series 2005 Meeting Papers with number 661.

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Date of creation: 2005
Handle: RePEc:red:sed005:661
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Society for Economic Dynamics Marina Azzimonti Department of Economics Stonybrook University 10 Nicolls Road Stonybrook NY 11790 USA

Web page: http://www.EconomicDynamics.org/
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  1. Eva Carceles Poveda & Arpad Abraham, 2004. "Endogenous Trading Constraints with Incomplete Asset Markets," 2004 Meeting Papers 667, Society for Economic Dynamics.
  2. Albert Marcet & Ramon Marimon, 2011. "Recursive Contracts," Economics Working Papers ECO2011/15, European University Institute.
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  4. Sanford J. Grossman & Joseph E. Stiglitz, 1980. "Stockholder Unanimity in Making Production and Financial Decisions," The Quarterly Journal of Economics, Oxford University Press, vol. 94(3), pages 543-566.
  5. Patrick J. Kehoe & Fabrizio Perri, 2002. "International Business Cycles with Endogenous Incomplete Markets," Econometrica, Econometric Society, vol. 70(3), pages 907-928, May.
  6. Patrick J. Kehoe & Fabrizio Perri, 2002. "Competitive equilibria with limited enforcement," Working Papers 621, Federal Reserve Bank of Minneapolis.
  7. Narayana R. Kocherlakota, 1996. "Implications of Efficient Risk Sharing without Commitment," Review of Economic Studies, Oxford University Press, vol. 63(4), pages 595-609.
  8. Julio Davila & Jay H. Hong & Per Krusell & José-Victor Rios Rull, 2005. "Constrained efficiency in the neoclassical growth model with uninsurable idiosyncratic shocks," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00196183, HAL.
  9. Hanno Lustig & Yi-Li Chien, 2005. "The Market Price of Aggregate Risk and the Wealth Distribution," NBER Working Papers 11132, National Bureau of Economic Research, Inc.
  10. Fernando Alvarez & Urban J. Jermann, 2000. "Efficiency, Equilibrium, and Asset Pricing with Risk of Default," Econometrica, Econometric Society, vol. 68(4), pages 775-798, July.
  11. Tauchen, George & Hussey, Robert, 1991. "Quadrature-Based Methods for Obtaining Approximate Solutions to Nonlinear Asset Pricing Models," Econometrica, Econometric Society, vol. 59(2), pages 371-396, March.
  12. Dirk Krueger & Fabrizio Perri, 2005. "Does income inequality lead to consumption equality? evidence and theory," Staff Report 363, Federal Reserve Bank of Minneapolis.
  13. Daniele Coen-Pirani, 2004. "Shareholders Unanimity With Incomplete Markets," 2004 Meeting Papers 479, Society for Economic Dynamics.
  14. Woodford, Michael & Santos, Manuel S., 1995. "Rational asset pricing bubbles," UC3M Working papers. Economics 3913, Universidad Carlos III de Madrid. Departamento de Economía.
  15. Dreze, Jacques H, 1985. "(Uncertainty and) the Firm in General Equilibrium Theory," Economic Journal, Royal Economic Society, vol. 95(380a), pages 1-20, Supplemen.
  16. S. Rao Aiyagari, 1993. "Uninsured idiosyncratic risk and aggregate saving," Working Papers 502, Federal Reserve Bank of Minneapolis.
  17. Eva Carceles-Poveda, 2003. "Capital Ownership under Market Incompleteness: Does it matter?," Computing in Economics and Finance 2003 228, Society for Computational Economics.
  18. Grossman, Sanford J & Stiglitz, Joseph E, 1977. "On Value Maximization and Alternative Objectives of the Firm," Journal of Finance, American Finance Association, vol. 32(2), pages 389-402, May.
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