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Overlapping International Environmental Agreements

Author

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  • Silva, Emilson Caputo Delfino
  • Zhu, Xie

Abstract

The perfectly coalition-proof Nash equilibrium (PCPN) concept is extended to allow for the emergence of overlapping coalitions in equilibrium. We study the efficiency and stability properties of environmental agreements to control emissions of correlated continental and global pollutants. We show that set of PCPN equilibria includes perfectly strong Nash (PSN) equilibria if the national damage from continental pollution is sufficiently large relative to the national damage from global pollution. We also show that: (i) continental agreements may be perfectly coalition-proof under much less restrictive circumstances; (ii) perfect Nash equilibria for fully overlapped agreements may be superior to the Grand Coalition's optimal allocation in the presence of coalitional operation costs; and (iii) PSN equilibria may still emerge in a larger world if coalition formation yields R&D spillover benefits.

Suggested Citation

  • Silva, Emilson Caputo Delfino & Zhu, Xie, 2015. "Overlapping International Environmental Agreements," Strategic Behavior and the Environment, now publishers, vol. 5(3-4), pages 255-299, December.
    • Handle: RePEc:now:jnlsbe:102.00000063
    DOI: 10.1561/102.00000063
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    Citations

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    Cited by:

    1. Emilson C. D. Silva, 2017. "Self-enforcing agreements under unequal nationally determined contributions," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 24(4), pages 705-729, August.
    2. Emilson C.D. Silva & Chikara Yamaguchi, 2018. "Overlapping Climate Clubs under Transaction Costs," CESifo Working Paper Series 7319, CESifo.

    More about this item

    Keywords

    Perfectly coalition-proof equilibrium; Overlapping coalitions; Climate change; Correlated pollutants; International environmental agreements;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy Formulation and Implementation
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
    • H77 - Public Economics - - State and Local Government; Intergovernmental Relations - - - Intergovernmental Relations; Federalism

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