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On existence in equilibrium models with endogenous default


  • Quintin, Erwan


The equilibrium concept defined by Dubey et al. (DGS, 1990, 2000, 2005) generates equilibria such that asset buyers could raise expected returns by paying more for the assets that they purchase. A simple example shows that, in fact, all equilibria may be return-dominated in that sense. Universal existence in the DGS model thus depends critically on the assumption that lenders are unable to exploit an obvious profit opportunity.

Suggested Citation

  • Quintin, Erwan, 2013. "On existence in equilibrium models with endogenous default," Journal of Mathematical Economics, Elsevier, vol. 49(5), pages 418-421.
  • Handle: RePEc:eee:mateco:v:49:y:2013:i:5:p:418-421 DOI: 10.1016/j.jmateco.2013.06.005

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    References listed on IDEAS

    1. Pradeep Dubey & John Geanakoplos & Martin Shubik, 2005. "Default and Punishment in General Equilibrium," Econometrica, Econometric Society, vol. 73(1), pages 1-37, January.
    2. Bisin, A. & Geanakoplos, J.D. & Gottardi, P. & Minelli, E. & Polemarchakis, H., 2011. "Markets and contracts," Journal of Mathematical Economics, Elsevier, vol. 47(3), pages 279-288.
    3. Lutz G. Arnold & John G. Riley, 2009. "On the Possibility of Credit Rationing in the Stiglitz-Weiss Model," American Economic Review, American Economic Association, vol. 99(5), pages 2012-2021, December.
    4. Erwan Quintin, 2012. "More punishment, less default?," Annals of Finance, Springer, vol. 8(4), pages 427-454, November.
    5. 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.
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