We provide natural mechanisms for the Nash implementation of the Nash bargaining solution if the set of possible payoff allocations is unknown to the planner. The need for two different mechanisms arises, because the case of three or more agents and that of two require separate treatment....

Some authors present models in which they show that the Nash bargaining solution fails to be Maskin monotonic and hence cannot be implemented in Nash equilibrium. We find this results misleading and discuss how implementability of the Nash bargaining solution can be discussed in utility space....