This paper focuses on the link between the group co-operation and the unilateral commitment behaviour of some countries in the presence of global environmental problems. As we consider that this last behaviour occurs when bargaining failed, we call it a precautious commitment. We also show that...

This article determines the conditions under which the Southern countries should act together, or separately, while negotiating with the North about climate change policy and about the conditions for future Southern engagement. The paper models the international negotiations with complete and...

Agents located from downstream to upstream along an estuary and exposed to a flooding risk have to invest in facilities like a seawall (or dike). As the benefits of that local public good increase along the estuary, upstream agents have to bargain for monetary compensation with the most...