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Article dans une revue Fulbright Review of Economics and Policy Année : 2023

Optimal coalition splitting with heterogenous strategies

Résumé

Purpose – The authors characterize the conditions under which a country may eventually split and when it splits within an infinite horizon multi-stage differential game. Design/methodology/approach – In contrast to the existing literature, the authors do not assume that after splitting, players will adopt Markovian strategies. Instead, the authors assume that while the splitting country plays Markovian, the remaining coalition remains committed to the collective control of pollution and plays open-loop. Findings – Within a full linear-quadratic model, the authors characterize the optimal strategies. The authors later compare with the outcomes of the case where the splitting country and the remaining coalition play both Markovian. The authors highlight several interesting results in terms of the implications for long-term pollution levels and the duration of coalitions under heterogenous strategies as compared to Markovian behavior. Originality/value – In this paper, the authors have illustrated the richness of the simplications of enlarging the set of strategies in terms of the emergence of coalitions, their duration and the implied welfare levels per player. Varying only three parameters (the technological gap, pollution damage and coalition payoff share distribution across players), the authors have been able to generate, among other findings, quite different rankings of welfare per player depending on whether the remaining coalitions after split play Markovian or stay precommited to the pre-splitting period decisions
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Dates et versions

halshs-04353691, version 1 (19-12-2023)

Licence

Paternité - CC BY 4.0

Identifiants

Citer

Raouf Boucekkine, Carmen Camacho, Weihua Ruan, Benteng Zou. Optimal coalition splitting with heterogenous strategies. Fulbright Review of Economics and Policy, 2023, 3 (2), pp.184-202. ⟨10.1108/FREP-05-2023-0021⟩. ⟨halshs-04353691⟩
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