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Signalling and Default: Rothschild-Stiglitz Reconsidered

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Author Info
Pradeep Dubey (SUNY, Stony Brook)
John Geanakoplos () (Cowles Foundation, Yale University)
Abstract

In our previous paper we built a general equilibrium model of default and punishment in which equilibrium always exists and endogenously determines asset promises, penalties, and sales constraints. In this paper we interpret the endogenous sales constraints as equilibrium signals. By specializing the default penalties and imposing an exclusivity constraint on asset sales, we obtain a perfectly competitive version of the Rothschild-Stiglitz model of insurance. In our model their separating equilibrium always exists even when they say it doesn't.

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Paper provided by Cowles Foundation, Yale University in its series Cowles Foundation Discussion Papers with number 1305.

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Length: 29 pages
Date of creation: May 2001
Date of revision:
Handle: RePEc:cwl:cwldpp:1305

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Related research
Keywords: Default; incomplete markets; adverse selection; moral hazard; equilibrium refinement; signalling; endogenous assets;

Find related papers by JEL classification:
D4 - Microeconomics - - Market Structure and Pricing
D5 - Microeconomics - - General Equilibrium and Disequilibrium
D8 - Microeconomics - - Information, Knowledge, and Uncertainty
D41 - Microeconomics - - Market Structure and Pricing - - - Perfect Competition
D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Franklin Allen & Douglas Gale, . "Optimal Security Design," Rodney L. White Center for Financial Research Working Papers 26-87, Wharton School Rodney L. White Center for Financial Research.
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  2. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  3. Stiglitz, Joseph E & Weiss, Andrew, 1981. "Credit Rationing in Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 71(3), pages 393-410, June. [Downloadable!] (restricted)
  4. Prescott, Edward C & Townsend, Robert M, 1984. "Pareto Optima and Competitive Equilibria with Adverse Selection and Moral Hazard," Econometrica, Econometric Society, vol. 52(1), pages 21-45, January. [Downloadable!] (restricted)
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  1. Pradeep Dubey & John Geanakoplos & Martin Shubik, 2001. "Default and Punishment in General Equilibrium," Cowles Foundation Discussion Papers 1304, Cowles Foundation, Yale University. [Downloadable!]
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