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General Equilibrium with Endogenous Trading Constraints

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  • Cea-Echenique, Sebastián
  • Torres-Martínez, Juan Pablo

Abstract

We build a general equilibrium model where agents are subject to endogenous trading constraints, making the access to financial trade dependent on prices and consumption decisions. Besides, our framework is compatible with the existence of endogenous financial segmentation and credit markets' exclusion. Two results of equilibrium existence are shown. In the first one, we assume individuals can super-replicate financial payments buying durable commodities and investing in assets that give liquidity to all agents. In the second result, under strict monotonicity of preferences, we suppose there are agents that may compensate with increments in present demand the losses of well-being generated by reductions of future consumption.

Suggested Citation

  • Cea-Echenique, Sebastián & Torres-Martínez, Juan Pablo, 2014. "General Equilibrium with Endogenous Trading Constraints," MPRA Paper 55359, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:55359
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    References listed on IDEAS

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    1. Aouani, Zaier & Cornet, Bernard, 2009. "Existence of financial equilibria with restricted participation," Journal of Mathematical Economics, Elsevier, vol. 45(12), pages 772-786, December.
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    3. Zaier Aouani & Bernard Cornet, 2009. "Existence of financial equilibria with restricted participation," Post-Print halshs-00426441, HAL.
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    6. Michele Gori & Marina Pireddu & Antonio Villanacci, 2014. "Existence of financial equilibria with endogenous short selling restrictions and real assets," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 37(2), pages 349-371, October.
    7. V.F. Martins-da-Rocha & L. Triki, 2005. "Equilibria in exchange economies with financial constraints: Beyond the Cass Trick," Microeconomics 0503013, University Library of Munich, Germany.
    8. Bernard Cornet & Ramu Gopalan, 2010. "Arbitrage and equilibrium with portfolio constraints," Post-Print hal-00629777, HAL.
    9. Cass, David & Siconolfi, Paolo & Villanacci, Antonio, 2001. "Generic regularity of competitive equilibria with restricted participation," Journal of Mathematical Economics, Elsevier, vol. 36(1), pages 61-76, September.
    10. Carosi, Laura & Gori, Michele & Villanacci, Antonio, 2009. "Endogenous restricted participation in general financial equilibrium," Journal of Mathematical Economics, Elsevier, vol. 45(12), pages 787-806, December.
    11. Zaier Aouani & Bernard Cornet, 2015. "Eliminating useless portfolios in financial economies with constraints," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-00683744, HAL.
    12. Aouani, Zaier & Cornet, Bernard, 2011. "Reduced equivalent form of a financial structure," Journal of Mathematical Economics, Elsevier, vol. 47(3), pages 318-327.
    13. Cass, David, 2006. "Competitive equilibrium with incomplete financial markets," Journal of Mathematical Economics, Elsevier, vol. 42(4-5), pages 384-405, August.
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    16. repec:dau:papers:123456789/6894 is not listed on IDEAS
    17. Matthew Hoelle & Marina Pireddu & Antonio Villanacci, 2012. "Incomplete Financial Markets With Real Assets and Endogenous Credit Limits," Purdue University Economics Working Papers 1271, Purdue University, Department of Economics.
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    Citations

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    Cited by:

    1. Cea-Echenique, Sebastián & Torres-Martínez, Juan Pablo, 2016. "Credit segmentation in general equilibrium," Journal of Mathematical Economics, Elsevier, vol. 62(C), pages 19-27.
    2. Iraola, Miguel A. & Torres-Martínez, Juan Pablo, 2014. "Equilibrium in collateralized asset markets: Credit contractions and negative equity loans," Journal of Mathematical Economics, Elsevier, vol. 55(C), pages 113-122.
    3. Faias, Marta & Torres-Martínez, Juan Pablo, 2017. "Credit market segmentation, essentiality of commodities, and supermodularity," Journal of Mathematical Economics, Elsevier, vol. 70(C), pages 115-122.

    More about this item

    Keywords

    Incomplete Markets; General Equilibrium; Endogenous Trading Constraints;

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial Markets
    • G1 - Financial Economics - - General Financial Markets

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