We propose a novel mechanism for coalitional policies in a climate coalition. In our proposed setup, national …

to leave a coalition of the willing at any point in time. By means of a simple analytical model and of a numerical … integrated assessment model, we assess different coalition structures, and different minimum admission requirements. Our results … depending on the composition of the coalition of the willing. The policy turns out to be also rather efficient, with only minor …

policy. To this end, we expand the modest coalition formation game, in which countries first decide on whether to join an … and emissions. We find that strategic delegation crowds out all efforts to increase coalition sizes by less ambitious …

cartel game with open membership and heterogeneous countries to study the endogenous choice of a minimum participation rule … environmental agreements ; coalition formation ; transboundary pollution ; environmental policy coordination …