A Strategy Is Dominated If

A strategy is dominated if:

A) there are no other strategies that yield higher payoffs, regardless of others' choices.
B) there is some other strategy that yields a strictly higher payoff regardless of others' choices.
C) there is some other strategy that yields a strictly higher payoff in some circumstances and that never yields a lower payoff regardless of others' choices.
D) there is some other strategy that yields a strictly higher payoff in some circumstances and may yield a lower payoff, depending upon other players' choices.