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Asset prices, debt constraints and inefficiency

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  • Bloise, Gaetano
  • Reichlin, Pietro

Abstract

We consider (possibly non-stationary) economies with endogenous solvency constraints under uncertainty over an infinite horizon, as in Alvarez and Jermann (2000) [5]. A sort of Cass Criterion (Cass, 1972 [10]) completely characterizes constrained inefficiency under the hypothesis of uniform gains from risk-sharing (which is always satisfied in stationary economies when the autarchy is constrained inefficient). Uniform gains from risk-sharing also guarantee a finite value of the intertemporal aggregate endowment at a constrained optimum. Hence, no equilibrium exhibits a null interest rate in the long run. Finally, constrained inefficiency occurs if and only if there exists a feasible redistribution producing a welfare improvement at all contingencies.

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  • Bloise, Gaetano & Reichlin, Pietro, 2011. "Asset prices, debt constraints and inefficiency," Journal of Economic Theory, Elsevier, vol. 146(4), pages 1520-1546, July.
    • Handle: RePEc:eee:jetheo:v:146:y:2011:i:4:p:1520-1546
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    Cited by:

    1. Bidian, Florin, 2016. "Robust bubbles with mild penalties for default," Journal of Mathematical Economics, Elsevier, vol. 65(C), pages 141-153.
    2. Gaetano Bloise & Pietro Reichlin & Mario Tirelli, 2009. "Indeterminacy Of Competitive Equilibrium With Risk Of Default," Levine's Working Paper Archive 814577000000000313, David K. Levine.
    3. Victor Filipe Martins da Rocha & Yiannis Vailakis, 2015. "Constrained Efficiency Without Commitment," Working Papers hal-01097121, HAL.
    4. Jürgen Eichberger & Klaus Rheinberger & Martin Summer, 2014. "Credit risk in general equilibrium," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 57(2), pages 407-435, October.
    5. Bosi, Stefano & Le Van, Cuong & Pham, Ngoc-Sang, 2017. "Asset bubbles and efficiency in a generalized two-sector model," Mathematical Social Sciences, Elsevier, vol. 88(C), pages 37-48.
    6. Cuong Le Van & Ngoc-Sang Pham, 2016. "Intertemporal equilibrium with financial asset and physical capital," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(1), pages 155-199, June.
    7. Martins-da-Rocha, V. Filipe & Vailakis, Yiannis, 2015. "Constrained efficiency without commitment," Journal of Mathematical Economics, Elsevier, vol. 61(C), pages 276-286.
    8. Boucekkine, Raouf & Nishimura, Kazuo & Venditti, Alain, 2015. "Introduction to financial frictions and debt constraints," Journal of Mathematical Economics, Elsevier, vol. 61(C), pages 271-275.
    9. Stefano Bosi & Cuong Le Van & Ngoc-Sang Pham, 2014. "Intertemporal equilibrium with production: bubbles and efficiency," Documents de travail du Centre d'Economie de la Sorbonne 14043, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
    10. M. Peiris & Alexandros Vardoulakis, 2015. "Collateral and the efficiency of monetary policy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 59(3), pages 579-603, August.
    11. Bloise, G. & Citanna, A., 2019. "Asset shortages, liquidity and speculative bubbles," Journal of Economic Theory, Elsevier, vol. 183(C), pages 952-990.
    12. Pietro Reichlin, 2018. "Money Creation: Tax or Public Liquidity?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 50(5), pages 1073-1094, August.
    13. Florin Bidian & Camelia Bejan, 2015. "Martingale properties of self-enforcing debt," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 60(1), pages 35-57, September.
    14. Victor Filipe Martins da Rocha & Toan Phan & Yiannis Vailakis, 2019. "Debt Limits and Credit Bubbles in General Equilibrium," Post-Print hal-02429759, HAL.
    15. Becker, Robert A. & Mitra, Tapan, 2012. "Efficient Ramsey Equilibria," Macroeconomic Dynamics, Cambridge University Press, vol. 16(S1), pages 18-32, April.
    16. Gaetano Bloise & Pietro Reichlin, 2023. "Low safe interest rates: A case for dynamic inefficiency?," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 51, pages 633-656, December.
    17. V. Filipe Martins-Da-Rocha & Toan Phan & Yiannis Vailakis, 2022. "Pecuniary Externalities in Competitive Economies with Limited Pledgeability," Working Papers hal-03909596, HAL.
    18. Alin OPREANA & Simona VINEREAN, 2015. "Analysis of the Economic Research Context after the Outbreak of the Economic Crisis of 2007-2009," Expert Journal of Economics, Sprint Investify, vol. 3(1), pages 77-92.

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    More about this item

    Keywords

    Private debt Solvency constraints Default Cass Criterion Asset prices Incomplete markets Constrained inefficiency Transversality condition;

    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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