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Efficiency and the Role of Default When Security Markets are Incomplete

  • William R. Zame

    (UCLA)

This paper argues that default plays an important positive role in the economy. If markets are incomplete and traders are only able to enter into contracts that they will be able to execute regardless of future events, contingent contracting may be severely restricted. Moreover, opening new markets may not relieve these restrictions. Default promotes efficiency in a way that opening new markets does not by making it possible for traders to enter into contracts that they will be able to execute with high probability but not with certainty. Copyright 1993 by American Economic Association.

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File URL: http://www.econ.ucla.edu/workingpapers/wp585.pdf
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Paper provided by UCLA Department of Economics in its series UCLA Economics Working Papers with number 585.

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Date of creation: 01 Nov 1990
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Handle: RePEc:cla:uclawp:585
Contact details of provider: Web page: http://www.econ.ucla.edu/

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  1. Werner, Jan, 1985. "Equilibrium in economies with incomplete financial markets," Journal of Economic Theory, Elsevier, vol. 36(1), pages 110-119, June.
  2. Stiglitz, Joseph E, 1982. "The Inefficiency of the Stock Market Equilibrium," Review of Economic Studies, Wiley Blackwell, vol. 49(2), pages 241-61, April.
  3. Kehoe, Timothy J & Levine, David K, 1993. "Debt-Constrained Asset Markets," Review of Economic Studies, Wiley Blackwell, vol. 60(4), pages 865-88, October.
  4. Duffie, Darrell & Shafer, Wayne, 1985. "Equilibrium in incomplete markets: I : A basic model of generic existence," Journal of Mathematical Economics, Elsevier, vol. 14(3), pages 285-300, June.
  5. Zame,William, 1988. "Asymptotic behaviour or asset markets,I: Asymptotic inefficience," Discussion Paper Serie A 220, University of Bonn, Germany.
  6. Bewley, Truman F., 1972. "Existence of equilibria in economies with infinitely many commodities," Journal of Economic Theory, Elsevier, vol. 4(3), pages 514-540, June.
  7. Cass, David, 2006. "Competitive equilibrium with incomplete financial markets," Journal of Mathematical Economics, Elsevier, vol. 42(4-5), pages 384-405, August.
  8. Reinhard Selten, 1974. "Reexamination of the Perfectness Concept for Equilibrium Points in Extensive Games," Working Papers 023, Bielefeld University, Center for Mathematical Economics.
  9. David K. Levine & William Zame, 1996. "Debt Constraints and Equilibrium in Infinite Horizon Economies with Incomplete Markets," Levine's Working Paper Archive 1954, David K. Levine.
  10. Oliver Hart & John Moore, 1997. "Default and Renegotiation: A Dynamic Model of Debt," Harvard Institute of Economic Research Working Papers 1792, Harvard - Institute of Economic Research.
  11. Aliprantis, Charalambos D & Brown, Donald J & Burkinshaw, Owen, 1987. "Edgeworth Equilibria," Econometrica, Econometric Society, vol. 55(5), pages 1109-37, September.
  12. John Geanakoplos & Pradeep Dubey, 1989. "Liquidity and Bankruptcy with Incomplete Markets: Pure Exchange," Cowles Foundation Discussion Papers 900, Cowles Foundation for Research in Economics, Yale University.
  13. Radner, Roy, 1972. "Existence of Equilibrium of Plans, Prices, and Price Expectations in a Sequence of Markets," Econometrica, Econometric Society, vol. 40(2), pages 289-303, March.
  14. Pradeep Dubey & John Geanakoplos & Martin Shubik, 1988. "Default and Efficiency in a General Equilibrium Model with Incomplete Markets," Cowles Foundation Discussion Papers 879R, Cowles Foundation for Research in Economics, Yale University, revised Feb 1989.
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