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Idiosyncratic risk and financial policy

Author

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  • Carvajal, Andrés
  • Polemarchakis, Herakles

Abstract

In economies subject to uninsurable idiosyncratic risks, competitive equilibrium allocations are constrained inefficient: reallocations of assets support Pareto superior allocations. This is the case even if the asset market for the allocation of aggregate risks is complete.

Suggested Citation

  • Carvajal, Andrés & Polemarchakis, Herakles, 2011. "Idiosyncratic risk and financial policy," Journal of Economic Theory, Elsevier, vol. 146(4), pages 1569-1597, July.
  • Handle: RePEc:eee:jetheo:v:146:y:2011:i:4:p:1569-1597
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    References listed on IDEAS

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    1. Carvajal Andres & Riascos Alvaro Jose, 2008. "Identification of Individual Demands from Market Data under Uncertainty," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-30, March.
    2. Carvajal, Andres & Polemarchakis, H.M., 2008. "Identification of Pareto-improving policies: Information as the real invisible hand," Journal of Mathematical Economics, Elsevier, vol. 44(2), pages 167-179, January.
    3. Malinvaud, E, 1973. "Markets for an Exchange Economy with Individual Risks," Econometrica, Econometric Society, vol. 41(3), pages 383-410, May.
    4. Atsushi Kajii & Antonio Villanacci & Alessandro Citanna, 1998. "Constrained suboptimality in incomplete markets: a general approach and two applications," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 11(3), pages 495-521.
    5. Per Krusell & Anthony A. Smith, Jr., 1999. "On the Welfare Effects of Eliminating Business Cycles," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(1), pages 245-272, January.
    6. Tom Krebs, 2003. "Growth and Welfare Effects of Business Cycles in Economies with Idiosyncratic Human Capital Risk," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 6(4), pages 846-868, October.
    7. Citanna, A. & Polemarchakis, H.M. & Tirelli, M., 2006. "The taxation of trades in assets," Journal of Economic Theory, Elsevier, vol. 126(1), pages 299-313, January.
    8. George-Marios Angeletos, 2007. "Uninsured Idiosyncratic Investment Risk and Aggregate Saving," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 10(1), pages 1-30, January.
    9. Arrow, Kenneth J & Lind, Robert C, 1970. "Uncertainty and the Evaluation of Public Investment Decisions," American Economic Review, American Economic Association, vol. 60(3), pages 364-378, June.
    10. Joseph E. Stiglitz, 1982. "The Inefficiency of the Stock Market Equilibrium," Review of Economic Studies, Oxford University Press, vol. 49(2), pages 241-261.
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    Citations

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    Cited by:

    1. Julio Dávila & Jay H. Hong & Per Krusell & José‐Víctor Ríos‐Rull, 2012. "Constrained Efficiency in the Neoclassical Growth Model With Uninsurable Idiosyncratic Shocks," Econometrica, Econometric Society, vol. 80(6), pages 2431-2467, November.
    2. Kokonas, Nikos & Polemarchakis, Herakles, 2015. "Suboptimality with land," CRETA Online Discussion Paper Series 13, Centre for Research in Economic Theory and its Applications CRETA.
    3. Felix Kubler & John Geanakoplos, 2014. "Why is too much leverage bad for the economy?," 2014 Meeting Papers 573, Society for Economic Dynamics.
    4. Hiraguchi, Ryoji & Shibata, Akihisa, 2015. "Taxing capital is a good idea: The role of idiosyncratic risk in an OLG model," Journal of Economic Dynamics and Control, Elsevier, vol. 52(C), pages 258-269.
    5. Herakles Polemarchakis, 2015. "Markets and Efficiency," The Japanese Economic Review, Japanese Economic Association, vol. 66(2), pages 150-166, June.
    6. repec:spr:joecth:v:64:y:2017:i:4:d:10.1007_s00199-016-0986-z is not listed on IDEAS
    7. Murty, Sushama, 2009. "Topology of utility possibility frontiers of economies with Ramsey taxation," The Warwick Economics Research Paper Series (TWERPS) 912, University of Warwick, Department of Economics.
    8. Kokonas, Nikos & Polemarchakis, Herakles, 2015. "Suboptimality with land," The Warwick Economics Research Paper Series (TWERPS) 1103, University of Warwick, Department of Economics.
    9. Chatzouz, Moustafa, 2014. "Government Debt and Wealth Inequality: Theory and Insights from Altruism," MPRA Paper 77007, University Library of Munich, Germany.
    10. Mengus , Eric & Pancrazi , Roberto, 2015. "The Inequality Accelerator," Les Cahiers de Recherche 1108, HEC Paris.

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