Merely knowing that it is better to be win-win is only helpful if you can find potential blue partners to change the game. 1 mark Examples of red and blue behaviours to illustrate the point that the dilemma of trust leads to red play but that blue play can be introduced to train the other negotiators in the better deals that are possible if they change their behaviour attract marks. References to the red-blue game should also should not be marked generously. Only sufficient exposition of the red-blue game is required to demonstrate that students understand its main conclusions about choices of behaviour. The quality of the answer depends upon the case it makes rather than which side of the controversy the student favours.
Examples supporting a comment are worth extra marks.
The question is about the balance between strengths and weaknesses and hence details of what these might be are essential to gain a pass. They can poison the atmosphere that might be necessary for the parties to consider each other's point of view or to address each other's interests. They can force people to decide on issues on the basis of which person makes the suggestion. It is similar to a third party intervention method, such as mediation, where the third party is independent of the parties. Negotiators are not independent of each other.