Definition:Weakly Dominant Move

Definition

Let $G$ be a game.

Let $a$ be a move available to player $P$.

Then $a$ is weakly dominant if and only if

for any move of an opposing player, the payoff of $a$ is not less than the payoff of any other move available to $P$.

Sources

• 1994: Martin J. Osborne and Ariel Rubinstein: A Course in Game Theory ... (previous) ... (next): $\text I$ Strategic Games: Chapter $2$ Nash Equilibrium: $2.3$: Examples: Example $18.1$