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| Bosetti, Valentina; Carraro, Carlo; De Cian, Enrica; Duval, Romain; Massetti, Emanuele; Tavoni, Massimo. |
| This paper uses WITCH, an integrated assessment model with a game-theoretic structure, to explore the prospects for, and the stability of broad coalitions to achieve ambitious climate change mitigation action. Only coalitions including all large emitting regions are found to be technically able to meet a concentration stabilisation target below 550 ppm CO2eq by 2100. Once the free-riding incentives of non-participants are taken into account, only a “grand coalition” including virtually all regions can be successful. This grand coalition is profitable as a whole, implying that all countries can gain from participation provided appropriate transfers are made across them. However, neither the grand coalition nor smaller but still environmentally significant... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Climate Policy; Climate Coalition; Game Theory; Free Riding; Environmental Economics and Policy; C68; C72; D58; Q54. |
| Ano: 2009 |
URL: http://purl.umn.edu/54281 |
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| Bosetti, Valentina; Carraro, Carlo; De Cian, Enrica; Massetti, Emanuele; Tavoni, Massimo. |
| This paper analyses the incentives to participate in and the stability of international climate coalitions. Using the integrated assessment model WITCH, the analysis of coalitions’ profitability and stability is performed under alternative assumptions concerning the pure rate of time preference, the social welfare aggregator and the extent of climate damages. We focus on the profitability, stability, and “potential stability” of a number of coalitions which are “potentially effective” in reducing emissions. We find that only the grand coalition under a specific sets of assumptions finds it optimal to stabilise GHG concentration below 550 ppm CO2-eq. However, the grand coalition is found not to be stable, not even “potentially stable” even through an... |
| Tipo: Working Paper |
Palavras-chave: Climate Policy; Climate Coalition; Game Theory; Free Riding; Environmental Economics and Policy; C68; C72; D58; Q54. |
| Ano: 2011 |
URL: http://purl.umn.edu/120048 |
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