Named when Vilfredo Pareto, Pareto optimality may be alive of potency. An outcome of a game is Pareto optimal if there's no different outcome that produces each player a minimum of also off and a minimum of one player strictly at an advantage. That is, a Pareto Optimal outcome cannot be improved upon while not hurting a minimum of one player. Often, a Nash Equilibrium isn't Pareto Optimal implying that the players' payoffs will all be increased