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Renegotiation-Proof Climate Agreements with Full Participation: Conditions for Pareto-Efficiency

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Abstract

Recent contributions show that climate agreements with broad participation can be implemented as weakly renegotiation-proof equilibria in simple models of greenhouse gas abatement where each country has a binary choice between cooperating (i.e., abate emissions) or defecting (no abatement). Here we show that this result carries over to a model where countries have a continuum of emission choices. Indeed, a Pareto-efficient climate agreement can always be implemented as a weakly renegotiation-proof equilibrium, for a sufficiently high discount factor. This means that one need not trade-off a “narrow but deep” treaty with a “broad but shallow” treaty.

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Correspondence to Bjart Holtsmark.

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Asheim, G.B., Holtsmark, B. Renegotiation-Proof Climate Agreements with Full Participation: Conditions for Pareto-Efficiency. Environ Resource Econ 43, 519–533 (2009). https://doi.org/10.1007/s10640-008-9247-3

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  • DOI: https://doi.org/10.1007/s10640-008-9247-3

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