Having a sole supplier is very uncomfortable for the buyer: the supplier does does not have a particular interest in reducing its prices since it will definitely obtain an order. In addition, it can afford not to comply with a number of trade clauses, such as timeliness, quality or warranties. Consequently, buyers often feel helpless when dealing with suppliers who are monopolists. Empirical research on negotiation suggests that negotiators with a low level of power should use promises rather than threats, in part because doing so makes their powerless position less salient (De Dreu, 1995). Other strategies can also be adopted by the buyer. Below, we list ten ways for managing power imbalance: