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Optimal dynamic risk sharing when enforcement is a decision variable

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  • Koeppl, Thorsten V.

Abstract

Societies provide institutions that are costly to set up, but able to enforce long-run relationships. We study the optimal decision problem of using self-governance for risk sharing or governance through enforcement provided by these institutions. Third-party enforcement is modelled as a costly technology that consumes resources, but permits the punishment of agents who deviate from ex-ante specified allocations. We show that it is optimal to employ the technology whenever commitment problems prevent first-best risk sharing, but never optimal to provide incentives exclusively via this technology. Commitment problems then persist and the optimal incentive structure changes dynamically over time with third-party enforcement monotonically increasing in the relative inequality between agents.
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  • Koeppl, Thorsten V., 2007. "Optimal dynamic risk sharing when enforcement is a decision variable," Journal of Economic Theory, Elsevier, vol. 134(1), pages 34-60, May.
    • Handle: RePEc:eee:jetheo:v:134:y:2007:i:1:p:34-60
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    Cited by:

    1. Xavier Mateos-Planas & Giulio Seccia, 2013. "Consumer Default with Complete Markets: Default-based Pricing and Finite Punishment," Working Papers 711, Queen Mary University of London, School of Economics and Finance.
    2. Latchezar Popov, 2014. "Enforcement frictions and optimal lending contracts," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 57(1), pages 195-222, September.
    3. Koppl, Thorsten V., 2006. "Risk sharing through financial markets with endogenous enforcement of trades," Journal of Economic Dynamics and Control, Elsevier, vol. 30(11), pages 1987-2014, November.
    4. Beth Allen, 2006. "Market games with asymmetric information: the core," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 29(2), pages 465-487, October.
    5. Jonathan Pogach, 2010. "Efficient Auditing and Enforcement in Dynamic Contracts," 2010 Meeting Papers 572, Society for Economic Dynamics.
    6. Camera, Gabriele & Gioffré, Alessandro, 2014. "Game-theoretic foundations of monetary equilibrium," Journal of Monetary Economics, Elsevier, vol. 63(C), pages 51-63.
    7. Antinolfi, Gaetano & Carli, Francesco, 2015. "Costly monitoring, dynamic incentives, and default," Journal of Economic Theory, Elsevier, vol. 159(PA), pages 105-119.
    8. 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.
    9. Ascari, Guido & Rankin, Neil, 2007. "Perpetual youth and endogenous labor supply: A problem and a possible solution," Journal of Macroeconomics, Elsevier, vol. 29(4), pages 708-723, December.
    10. Cyril Monnet & Erwan Quintin & Thorsten V. Koeppl, 2007. "The Poor, The Rich And The Enforcer: Institutional Choice And Growth," Working Paper 1150, Economics Department, Queen's University.
    11. Xavier Mateos-Planas & Giulio Seccia, 2013. "Consumer Default with Complete Markets: Default-based Pricing and Finite Punishment," Working Papers 711, Queen Mary University of London, School of Economics and Finance.
    12. Xiao, Tiaojun & Yang, Danqin, 2009. "Risk sharing and information revelation mechanism of a one-manufacturer and one-retailer supply chain facing an integrated competitor," European Journal of Operational Research, Elsevier, vol. 196(3), pages 1076-1085, August.
    13. Xavier Mateos-Planas & Giulio Seccia, 2014. "Consumer default with complete markets: default-based pricing and finite punishment," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 56(3), pages 549-583, August.
    14. Thorsten Koeppl & Cyril Monnet & Erwan Quintin, 2008. "Efficient institutions," Working Papers 08-33, Federal Reserve Bank of Philadelphia.
    15. Thorsten Koeppl & Cyril Monnet & Erwan Quintin, 2014. "Efficient contract enforcement," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 55(1), pages 161-183, January.

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    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D60 - Microeconomics - - Welfare Economics - - - General
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • K49 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Other

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