Simulating coalitionally stable burden sharing agreements for the climate change problem

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Working paper
Johan Eyckmans and Henry Tulkens
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In this paper we introduce the CLIMNEG World Simulation (CWS) model for simulating cooperative game theoretic aspects of global climate negotiations. The model is derived from the seminal RICE model by Nordhaus and Yang (1996). Werst state the necessary conditions that determine optimal investment and emission abatement paths under alternative cooperation regimes, and then we test empir- ically with a numerical version of the CWS model whether the cooperative game theoretic \core" property of the transfer scheme advocated by Germain, Toint and Tulkens (1997) holds. Under this transfer scheme no individual country, nor any sub- set of countries, should have an interest in leaving the international environmental agreement. For the numerical speci cation of the CWS model used here, we obtain the result that this is indeed the case.
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