Deadlock in deal making can arise for a number of different reasons.
However, one reason which is particularly common is that the parties get stuck having a positional negotiation based solely on what they want- this price, that delivery date, that number of units, etc…
Positional negotiations are bad news as they don’t give the parties any flexibility. If I want to buy something for £50 and you want me to pay £1,000, then there is no obvious way of resolving the disagreement without one of us disappointing the other which is very frustrating for everybody. In this situation it’s quite common for the negotiation to be marked by bad feeling, as if you are attacking my position it can feel as though you are attacking me personally.
One way to avoid this kind of positional deadlock is to focus on “why” people need the things they say that they want:
If you want a high price off me there can be lots of different reasons why you need that. For example maybe getting that high price may make you feel that you have achieved something special;
or maybe it will make you feel reassured so that you can trust me;
or maybe it will make you feel respected;
perhaps it will make you feel that you and I belong in the same club;
or maybe you are just desperate and you need that high price in order to avoid going bust.
If I am able to work out why you “need” that high price than we can find another way of structuring the deal which meets that need but may not be about price. Suddenly we have far more options.
For example if you have a need for reassurance I might be able […]

