Describes a situation in which a participant's gain or loss is exactly balanced by the losses or gains of the other participant(s): #total wins of all players - #total losses of all players = 0
Any commercial exchange is a non-zero-sum activity, because each party must consider the goods it is receiving as being at least fractionally more valuable than the goods it is delivering.
To my view, the zero-sum game is comparable to a kind of win-lose situation, whereas non-zero-sum game is win-win or lose-lose situations.
