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The structure of competitive equilibrium with unsecured debt

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  • Gaetano Bloise

Abstract

I provide a complete characterization of equilibrium with risk of default in sequential economies under uncertainty. Default induces permanent exclusion from financial markets and not-too-tight solvency constraints prevent debt repudiation at equilibrium. The method of analysis relies on a recursive planning program along with the theory of monotone concave opera- tors. The reputational mechanism is fragile, as it sustains constrained efficient as well as constrained inefficient equilibria. Constrained inefficient equilibria involve a progressive deterioration of reputation, inducing a collapse of fi nancial markets with positive probability. Importantly, the only ergodic recursive equilibria (involving trade) are constrained efficient.

Suggested Citation

  • Gaetano Bloise, 2013. "The structure of competitive equilibrium with unsecured debt," Departmental Working Papers of Economics - University 'Roma Tre' 0187, Department of Economics - University Roma Tre.
  • Handle: RePEc:rtr:wpaper:0187
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    References listed on IDEAS

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    More about this item

    Keywords

    Limited commitment; solvency constraints; competitive equilib- rium; constrained eciency; dynamic programming; monotone concave oper- ator.;

    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing

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