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 paper focuses on the link between group cooperation and unilateral commitment of some countries in the presence of global environmental problems. As we consider that this last behaviour occurs when negotiation fails, we call it precautious commiment. We also show that the emergence of a...