Аннотация:For a noncooperative N-player normal-form game, we introduce the concept ofhybrid equilibrium (HE) by combining the concepts of Nash and Berge equilibria and Pareto maximum.Some properties of hybrid equilibria are explored and their existence in mixed strategiesis established under standard assumptions of mathematical game theory (convex and compactstrategy sets and continuous payoff functions). Similar results are obtained for noncooperativeN-player normal-form games under uncertainty.